Home / 5,460,010.20-8,190,015.30-4,397,128.20

Finding the Fourth Proportional to 5,460,010.20, 8,190,015.30 and 4,397,128.20

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Solution

The fourth proportional to 5,460,010.20, 8,190,015.30 and 4,397,128.20 is: 6,595,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460,010.20 : 8,190,015.30 = 4,397,128.20 : x
  2. Step 2: Convert to fraction form
    5,460,010.20/8,190,015.30 = 4,397,128.20/x
  3. Step 3: Cross multiply
    5,460,010.20x = 8,190,015.30 × 4,397,128.20
  4. Step 4: Simplify right side
    5,460,010.20x = 36,012,547,234,061.46
  5. Step 5: Solve for x
    x = 36,012,547,234,061.46/5,460,010.20
  6. Step 6: Final answer
    x = 6,595,692.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.