Home / 4,230,452.76-6,343,294.50-1,389,802.20

Finding the Fourth Proportional to 4,230,452.76, 6,343,294.50 and 1,389,802.20

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Solution

The fourth proportional to 4,230,452.76, 6,343,294.50 and 1,389,802.20 is: 2,083,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230,452.76 : 6,343,294.50 = 1,389,802.20 : x
  2. Step 2: Convert to fraction form
    4,230,452.76/6,343,294.50 = 1,389,802.20/x
  3. Step 3: Cross multiply
    4,230,452.76x = 6,343,294.50 × 1,389,802.20
  4. Step 4: Simplify right side
    4,230,452.76x = 8,815,924,651,347.90
  5. Step 5: Solve for x
    x = 8,815,924,651,347.90/4,230,452.76
  6. Step 6: Final answer
    x = 2,083,919.89

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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.