Home / 4,712,015.20-7,068,022.80-3,219,023.20

Finding the Fourth Proportional to 4,712,015.20, 7,068,022.80 and 3,219,023.20

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Solution

The fourth proportional to 4,712,015.20, 7,068,022.80 and 3,219,023.20 is: 4,828,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,015.20 : 7,068,022.80 = 3,219,023.20 : x
  2. Step 2: Convert to fraction form
    4,712,015.20/7,068,022.80 = 3,219,023.20/x
  3. Step 3: Cross multiply
    4,712,015.20x = 7,068,022.80 × 3,219,023.20
  4. Step 4: Simplify right side
    4,712,015.20x = 22,752,129,371,328.96
  5. Step 5: Solve for x
    x = 22,752,129,371,328.96/4,712,015.20
  6. Step 6: Final answer
    x = 4,828,534.80

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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.