Home / 3,440,000.20-5,160,000.30-881,210.20

Finding the Fourth Proportional to 3,440,000.20, 5,160,000.30 and 881,210.20

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Solution

The fourth proportional to 3,440,000.20, 5,160,000.30 and 881,210.20 is: 1,321,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,000.20 : 5,160,000.30 = 881,210.20 : x
  2. Step 2: Convert to fraction form
    3,440,000.20/5,160,000.30 = 881,210.20/x
  3. Step 3: Cross multiply
    3,440,000.20x = 5,160,000.30 × 881,210.20
  4. Step 4: Simplify right side
    3,440,000.20x = 4,547,044,896,363.06
  5. Step 5: Solve for x
    x = 4,547,044,896,363.06/3,440,000.20
  6. Step 6: Final answer
    x = 1,321,815.30

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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.