Home / 3,545,430.80-5,311,925.40-2,910,909.20

Finding the Fourth Proportional to 3,545,430.80, 5,311,925.40 and 2,910,909.20

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Solution

The fourth proportional to 3,545,430.80, 5,311,925.40 and 2,910,909.20 is: 4,361,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,430.80 : 5,311,925.40 = 2,910,909.20 : x
  2. Step 2: Convert to fraction form
    3,545,430.80/5,311,925.40 = 2,910,909.20/x
  3. Step 3: Cross multiply
    3,545,430.80x = 5,311,925.40 × 2,910,909.20
  4. Step 4: Simplify right side
    3,545,430.80x = 15,462,532,516,573.68
  5. Step 5: Solve for x
    x = 15,462,532,516,573.68/3,545,430.80
  6. Step 6: Final answer
    x = 4,361,256.33

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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.