Home / 4,620,148.88-6,930,874.55-1,425,534.80

Finding the Fourth Proportional to 4,620,148.88, 6,930,874.55 and 1,425,534.80

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Solution

The fourth proportional to 4,620,148.88, 6,930,874.55 and 1,425,534.80 is: 2,138,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620,148.88 : 6,930,874.55 = 1,425,534.80 : x
  2. Step 2: Convert to fraction form
    4,620,148.88/6,930,874.55 = 1,425,534.80/x
  3. Step 3: Cross multiply
    4,620,148.88x = 6,930,874.55 × 1,425,534.80
  4. Step 4: Simplify right side
    4,620,148.88x = 9,880,202,827,241.13
  5. Step 5: Solve for x
    x = 9,880,202,827,241.13/4,620,148.88
  6. Step 6: Final answer
    x = 2,138,503.13

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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.