Home / 5,265,255.40-7,897,883.16-1,276,167.40

Finding the Fourth Proportional to 5,265,255.40, 7,897,883.16 and 1,276,167.40

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Solution

The fourth proportional to 5,265,255.40, 7,897,883.16 and 1,276,167.40 is: 1,914,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,255.40 : 7,897,883.16 = 1,276,167.40 : x
  2. Step 2: Convert to fraction form
    5,265,255.40/7,897,883.16 = 1,276,167.40/x
  3. Step 3: Cross multiply
    5,265,255.40x = 7,897,883.16 × 1,276,167.40
  4. Step 4: Simplify right side
    5,265,255.40x = 10,079,021,017,800.98
  5. Step 5: Solve for x
    x = 10,079,021,017,800.98/5,265,255.40
  6. Step 6: Final answer
    x = 1,914,251.11

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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.