Home / 2,778,763.74-4,167,562.40-783,753.18

Finding the Fourth Proportional to 2,778,763.74, 4,167,562.40 and 783,753.18

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Solution

The fourth proportional to 2,778,763.74, 4,167,562.40 and 783,753.18 is: 1,175,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,763.74 : 4,167,562.40 = 783,753.18 : x
  2. Step 2: Convert to fraction form
    2,778,763.74/4,167,562.40 = 783,753.18/x
  3. Step 3: Cross multiply
    2,778,763.74x = 4,167,562.40 × 783,753.18
  4. Step 4: Simplify right side
    2,778,763.74x = 3,266,340,283,848.43
  5. Step 5: Solve for x
    x = 3,266,340,283,848.43/2,778,763.74
  6. Step 6: Final answer
    x = 1,175,465.28

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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.