Home / 4,755,084.84-7,128,189.87-1,876,475.55

Finding the Fourth Proportional to 4,755,084.84, 7,128,189.87 and 1,876,475.55

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Solution

The fourth proportional to 4,755,084.84, 7,128,189.87 and 1,876,475.55 is: 2,812,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755,084.84 : 7,128,189.87 = 1,876,475.55 : x
  2. Step 2: Convert to fraction form
    4,755,084.84/7,128,189.87 = 1,876,475.55/x
  3. Step 3: Cross multiply
    4,755,084.84x = 7,128,189.87 × 1,876,475.55
  4. Step 4: Simplify right side
    4,755,084.84x = 13,375,874,006,812.68
  5. Step 5: Solve for x
    x = 13,375,874,006,812.68/4,755,084.84
  6. Step 6: Final answer
    x = 2,812,962.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.