Home / 3,406,031.68-5,109,047.52-1,385,374.90

Finding the Fourth Proportional to 3,406,031.68, 5,109,047.52 and 1,385,374.90

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Solution

The fourth proportional to 3,406,031.68, 5,109,047.52 and 1,385,374.90 is: 2,078,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,031.68 : 5,109,047.52 = 1,385,374.90 : x
  2. Step 2: Convert to fraction form
    3,406,031.68/5,109,047.52 = 1,385,374.90/x
  3. Step 3: Cross multiply
    3,406,031.68x = 5,109,047.52 × 1,385,374.90
  4. Step 4: Simplify right side
    3,406,031.68x = 7,077,946,197,115.25
  5. Step 5: Solve for x
    x = 7,077,946,197,115.25/3,406,031.68
  6. Step 6: Final answer
    x = 2,078,062.35

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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.