Home / 3,447,890.28-4,758,088.53-1,998,426.45

Finding the Fourth Proportional to 3,447,890.28, 4,758,088.53 and 1,998,426.45

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Solution

The fourth proportional to 3,447,890.28, 4,758,088.53 and 1,998,426.45 is: 2,757,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,890.28 : 4,758,088.53 = 1,998,426.45 : x
  2. Step 2: Convert to fraction form
    3,447,890.28/4,758,088.53 = 1,998,426.45/x
  3. Step 3: Cross multiply
    3,447,890.28x = 4,758,088.53 × 1,998,426.45
  4. Step 4: Simplify right side
    3,447,890.28x = 9,508,689,969,793.62
  5. Step 5: Solve for x
    x = 9,508,689,969,793.62/3,447,890.28
  6. Step 6: Final answer
    x = 2,757,828.47

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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.