Home / 1,980,307.20-2,970,575.32-560,244.32

Finding the Fourth Proportional to 1,980,307.20, 2,970,575.32 and 560,244.32

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Solution

The fourth proportional to 1,980,307.20, 2,970,575.32 and 560,244.32 is: 840,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,307.20 : 2,970,575.32 = 560,244.32 : x
  2. Step 2: Convert to fraction form
    1,980,307.20/2,970,575.32 = 560,244.32/x
  3. Step 3: Cross multiply
    1,980,307.20x = 2,970,575.32 × 560,244.32
  4. Step 4: Simplify right side
    1,980,307.20x = 1,664,247,950,162.18
  5. Step 5: Solve for x
    x = 1,664,247,950,162.18/1,980,307.20
  6. Step 6: Final answer
    x = 840,398.88

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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.