Home / 6,520,135.30-9,780,154.35-1,971,175.30

Finding the Fourth Proportional to 6,520,135.30, 9,780,154.35 and 1,971,175.30

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Solution

The fourth proportional to 6,520,135.30, 9,780,154.35 and 1,971,175.30 is: 2,956,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,135.30 : 9,780,154.35 = 1,971,175.30 : x
  2. Step 2: Convert to fraction form
    6,520,135.30/9,780,154.35 = 1,971,175.30/x
  3. Step 3: Cross multiply
    6,520,135.30x = 9,780,154.35 × 1,971,175.30
  4. Step 4: Simplify right side
    6,520,135.30x = 19,278,398,684,907.55
  5. Step 5: Solve for x
    x = 19,278,398,684,907.55/6,520,135.30
  6. Step 6: Final answer
    x = 2,956,748.26

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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.