Home / 3,406,030.68-5,109,046.02-1,385,373.90

Finding the Fourth Proportional to 3,406,030.68, 5,109,046.02 and 1,385,373.90

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Solution

The fourth proportional to 3,406,030.68, 5,109,046.02 and 1,385,373.90 is: 2,078,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,030.68 : 5,109,046.02 = 1,385,373.90 : x
  2. Step 2: Convert to fraction form
    3,406,030.68/5,109,046.02 = 1,385,373.90/x
  3. Step 3: Cross multiply
    3,406,030.68x = 5,109,046.02 × 1,385,373.90
  4. Step 4: Simplify right side
    3,406,030.68x = 7,077,939,010,006.88
  5. Step 5: Solve for x
    x = 7,077,939,010,006.88/3,406,030.68
  6. Step 6: Final answer
    x = 2,078,060.85

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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.