Home / 3,200,943.62-4,780,972.99-2,896,871.78

Finding the Fourth Proportional to 3,200,943.62, 4,780,972.99 and 2,896,871.78

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Solution

The fourth proportional to 3,200,943.62, 4,780,972.99 and 2,896,871.78 is: 4,326,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,943.62 : 4,780,972.99 = 2,896,871.78 : x
  2. Step 2: Convert to fraction form
    3,200,943.62/4,780,972.99 = 2,896,871.78/x
  3. Step 3: Cross multiply
    3,200,943.62x = 4,780,972.99 × 2,896,871.78
  4. Step 4: Simplify right side
    3,200,943.62x = 13,849,865,735,673.22
  5. Step 5: Solve for x
    x = 13,849,865,735,673.22/3,200,943.62
  6. Step 6: Final answer
    x = 4,326,807.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.