Home / 3,406,928.46-5,111,098.02-1,385,172.69

Finding the Fourth Proportional to 3,406,928.46, 5,111,098.02 and 1,385,172.69

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Solution

The fourth proportional to 3,406,928.46, 5,111,098.02 and 1,385,172.69 is: 2,078,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,928.46 : 5,111,098.02 = 1,385,172.69 : x
  2. Step 2: Convert to fraction form
    3,406,928.46/5,111,098.02 = 1,385,172.69/x
  3. Step 3: Cross multiply
    3,406,928.46x = 5,111,098.02 × 1,385,172.69
  4. Step 4: Simplify right side
    3,406,928.46x = 7,079,753,393,217.07
  5. Step 5: Solve for x
    x = 7,079,753,393,217.07/3,406,928.46
  6. Step 6: Final answer
    x = 2,078,045.80

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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.