Home / 2,749,123.20-4,123,684.80-2,371,209.60

Finding the Fourth Proportional to 2,749,123.20, 4,123,684.80 and 2,371,209.60

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Solution

The fourth proportional to 2,749,123.20, 4,123,684.80 and 2,371,209.60 is: 3,556,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,123.20 : 4,123,684.80 = 2,371,209.60 : x
  2. Step 2: Convert to fraction form
    2,749,123.20/4,123,684.80 = 2,371,209.60/x
  3. Step 3: Cross multiply
    2,749,123.20x = 4,123,684.80 × 2,371,209.60
  4. Step 4: Simplify right side
    2,749,123.20x = 9,778,120,985,134.08
  5. Step 5: Solve for x
    x = 9,778,120,985,134.08/2,749,123.20
  6. Step 6: Final answer
    x = 3,556,814.40

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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.