Home / 2,982,841.92-4,118,752.32-2,431,646.40

Finding the Fourth Proportional to 2,982,841.92, 4,118,752.32 and 2,431,646.40

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Solution

The fourth proportional to 2,982,841.92, 4,118,752.32 and 2,431,646.40 is: 3,357,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,841.92 : 4,118,752.32 = 2,431,646.40 : x
  2. Step 2: Convert to fraction form
    2,982,841.92/4,118,752.32 = 2,431,646.40/x
  3. Step 3: Cross multiply
    2,982,841.92x = 4,118,752.32 × 2,431,646.40
  4. Step 4: Simplify right side
    2,982,841.92x = 10,015,349,251,419.65
  5. Step 5: Solve for x
    x = 10,015,349,251,419.65/2,982,841.92
  6. Step 6: Final answer
    x = 3,357,653.38

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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.