Home / 3,546,008.70-5,319,013.05-987,218.70

Finding the Fourth Proportional to 3,546,008.70, 5,319,013.05 and 987,218.70

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Solution

The fourth proportional to 3,546,008.70, 5,319,013.05 and 987,218.70 is: 1,480,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546,008.70 : 5,319,013.05 = 987,218.70 : x
  2. Step 2: Convert to fraction form
    3,546,008.70/5,319,013.05 = 987,218.70/x
  3. Step 3: Cross multiply
    3,546,008.70x = 5,319,013.05 × 987,218.70
  4. Step 4: Simplify right side
    3,546,008.70x = 5,251,029,148,504.03
  5. Step 5: Solve for x
    x = 5,251,029,148,504.03/3,546,008.70
  6. Step 6: Final answer
    x = 1,480,828.05

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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.