Home / 5,160,692.47-7,121,938.35-2,837,761.78

Finding the Fourth Proportional to 5,160,692.47, 7,121,938.35 and 2,837,761.78

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Solution

The fourth proportional to 5,160,692.47, 7,121,938.35 and 2,837,761.78 is: 3,916,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,692.47 : 7,121,938.35 = 2,837,761.78 : x
  2. Step 2: Convert to fraction form
    5,160,692.47/7,121,938.35 = 2,837,761.78/x
  3. Step 3: Cross multiply
    5,160,692.47x = 7,121,938.35 × 2,837,761.78
  4. Step 4: Simplify right side
    5,160,692.47x = 20,210,364,449,146.26
  5. Step 5: Solve for x
    x = 20,210,364,449,146.26/5,160,692.47
  6. Step 6: Final answer
    x = 3,916,211.74

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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.