Home / 3,788,875.20-5,683,312.80-3,375,998.40

Finding the Fourth Proportional to 3,788,875.20, 5,683,312.80 and 3,375,998.40

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Solution

The fourth proportional to 3,788,875.20, 5,683,312.80 and 3,375,998.40 is: 5,063,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,875.20 : 5,683,312.80 = 3,375,998.40 : x
  2. Step 2: Convert to fraction form
    3,788,875.20/5,683,312.80 = 3,375,998.40/x
  3. Step 3: Cross multiply
    3,788,875.20x = 5,683,312.80 × 3,375,998.40
  4. Step 4: Simplify right side
    3,788,875.20x = 19,186,854,919,499.52
  5. Step 5: Solve for x
    x = 19,186,854,919,499.52/3,788,875.20
  6. Step 6: Final answer
    x = 5,063,997.60

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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.