Home / 6,458,757.40-9,679,841.70-3,931,730.20

Finding the Fourth Proportional to 6,458,757.40, 9,679,841.70 and 3,931,730.20

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Solution

The fourth proportional to 6,458,757.40, 9,679,841.70 and 3,931,730.20 is: 5,892,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458,757.40 : 9,679,841.70 = 3,931,730.20 : x
  2. Step 2: Convert to fraction form
    6,458,757.40/9,679,841.70 = 3,931,730.20/x
  3. Step 3: Cross multiply
    6,458,757.40x = 9,679,841.70 × 3,931,730.20
  4. Step 4: Simplify right side
    6,458,757.40x = 38,058,525,943,109.34
  5. Step 5: Solve for x
    x = 38,058,525,943,109.34/6,458,757.40
  6. Step 6: Final answer
    x = 5,892,546.13

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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.