Home / 2,172,847.20-3,260,437.20-910,802.40

Finding the Fourth Proportional to 2,172,847.20, 3,260,437.20 and 910,802.40

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Solution

The fourth proportional to 2,172,847.20, 3,260,437.20 and 910,802.40 is: 1,366,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,847.20 : 3,260,437.20 = 910,802.40 : x
  2. Step 2: Convert to fraction form
    2,172,847.20/3,260,437.20 = 910,802.40/x
  3. Step 3: Cross multiply
    2,172,847.20x = 3,260,437.20 × 910,802.40
  4. Step 4: Simplify right side
    2,172,847.20x = 2,969,614,026,809.28
  5. Step 5: Solve for x
    x = 2,969,614,026,809.28/2,172,847.20
  6. Step 6: Final answer
    x = 1,366,692.53

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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.