Home / 4,390,837.90-6,590,404.05-2,711,221.90

Finding the Fourth Proportional to 4,390,837.90, 6,590,404.05 and 2,711,221.90

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Solution

The fourth proportional to 4,390,837.90, 6,590,404.05 and 2,711,221.90 is: 4,069,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390,837.90 : 6,590,404.05 = 2,711,221.90 : x
  2. Step 2: Convert to fraction form
    4,390,837.90/6,590,404.05 = 2,711,221.90/x
  3. Step 3: Cross multiply
    4,390,837.90x = 6,590,404.05 × 2,711,221.90
  4. Step 4: Simplify right side
    4,390,837.90x = 17,868,047,790,208.70
  5. Step 5: Solve for x
    x = 17,868,047,790,208.70/4,390,837.90
  6. Step 6: Final answer
    x = 4,069,393.63

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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.