Home / 4,931,891.40-7,385,880.26-3,411,306.74

Finding the Fourth Proportional to 4,931,891.40, 7,385,880.26 and 3,411,306.74

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Solution

The fourth proportional to 4,931,891.40, 7,385,880.26 and 3,411,306.74 is: 5,108,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931,891.40 : 7,385,880.26 = 3,411,306.74 : x
  2. Step 2: Convert to fraction form
    4,931,891.40/7,385,880.26 = 3,411,306.74/x
  3. Step 3: Cross multiply
    4,931,891.40x = 7,385,880.26 × 3,411,306.74
  4. Step 4: Simplify right side
    4,931,891.40x = 25,195,503,111,770.95
  5. Step 5: Solve for x
    x = 25,195,503,111,770.95/4,931,891.40
  6. Step 6: Final answer
    x = 5,108,689.76

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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.