Home / 5,112,397.40-7,665,680.10-1,917,627.80

Finding the Fourth Proportional to 5,112,397.40, 7,665,680.10 and 1,917,627.80

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Solution

The fourth proportional to 5,112,397.40, 7,665,680.10 and 1,917,627.80 is: 2,875,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,397.40 : 7,665,680.10 = 1,917,627.80 : x
  2. Step 2: Convert to fraction form
    5,112,397.40/7,665,680.10 = 1,917,627.80/x
  3. Step 3: Cross multiply
    5,112,397.40x = 7,665,680.10 × 1,917,627.80
  4. Step 4: Simplify right side
    5,112,397.40x = 14,699,921,265,666.78
  5. Step 5: Solve for x
    x = 14,699,921,265,666.78/5,112,397.40
  6. Step 6: Final answer
    x = 2,875,347.93

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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.