Home / 3,413,899.13-5,121,611.40-1,284,001.70

Finding the Fourth Proportional to 3,413,899.13, 5,121,611.40 and 1,284,001.70

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Solution

The fourth proportional to 3,413,899.13, 5,121,611.40 and 1,284,001.70 is: 1,926,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,899.13 : 5,121,611.40 = 1,284,001.70 : x
  2. Step 2: Convert to fraction form
    3,413,899.13/5,121,611.40 = 1,284,001.70/x
  3. Step 3: Cross multiply
    3,413,899.13x = 5,121,611.40 × 1,284,001.70
  4. Step 4: Simplify right side
    3,413,899.13x = 6,576,157,744,339.38
  5. Step 5: Solve for x
    x = 6,576,157,744,339.38/3,413,899.13
  6. Step 6: Final answer
    x = 1,926,289.41

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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.