Home / 2,663,320.40-3,675,382.28-1,439,621.91

Finding the Fourth Proportional to 2,663,320.40, 3,675,382.28 and 1,439,621.91

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Solution

The fourth proportional to 2,663,320.40, 3,675,382.28 and 1,439,621.91 is: 1,986,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,320.40 : 3,675,382.28 = 1,439,621.91 : x
  2. Step 2: Convert to fraction form
    2,663,320.40/3,675,382.28 = 1,439,621.91/x
  3. Step 3: Cross multiply
    2,663,320.40x = 3,675,382.28 × 1,439,621.91
  4. Step 4: Simplify right side
    2,663,320.40x = 5,291,160,857,913.75
  5. Step 5: Solve for x
    x = 5,291,160,857,913.75/2,663,320.40
  6. Step 6: Final answer
    x = 1,986,678.30

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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.