Home / 3,157,935.69-4,357,686.38-1,868,550.15

Finding the Fourth Proportional to 3,157,935.69, 4,357,686.38 and 1,868,550.15

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Solution

The fourth proportional to 3,157,935.69, 4,357,686.38 and 1,868,550.15 is: 2,578,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,935.69 : 4,357,686.38 = 1,868,550.15 : x
  2. Step 2: Convert to fraction form
    3,157,935.69/4,357,686.38 = 1,868,550.15/x
  3. Step 3: Cross multiply
    3,157,935.69x = 4,357,686.38 × 1,868,550.15
  4. Step 4: Simplify right side
    3,157,935.69x = 8,142,555,539,001.96
  5. Step 5: Solve for x
    x = 8,142,555,539,001.96/3,157,935.69
  6. Step 6: Final answer
    x = 2,578,442.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.