Home / 2,891,559.60-3,990,375.36-1,602,421.38

Finding the Fourth Proportional to 2,891,559.60, 3,990,375.36 and 1,602,421.38

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Solution

The fourth proportional to 2,891,559.60, 3,990,375.36 and 1,602,421.38 is: 2,211,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,559.60 : 3,990,375.36 = 1,602,421.38 : x
  2. Step 2: Convert to fraction form
    2,891,559.60/3,990,375.36 = 1,602,421.38/x
  3. Step 3: Cross multiply
    2,891,559.60x = 3,990,375.36 × 1,602,421.38
  4. Step 4: Simplify right side
    2,891,559.60x = 6,394,262,791,089.20
  5. Step 5: Solve for x
    x = 6,394,262,791,089.20/2,891,559.60
  6. Step 6: Final answer
    x = 2,211,354.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.