Home / 5,429,336.30-7,490,661.20-3,074,212.80

Finding the Fourth Proportional to 5,429,336.30, 7,490,661.20 and 3,074,212.80

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Solution

The fourth proportional to 5,429,336.30, 7,490,661.20 and 3,074,212.80 is: 4,241,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,336.30 : 7,490,661.20 = 3,074,212.80 : x
  2. Step 2: Convert to fraction form
    5,429,336.30/7,490,661.20 = 3,074,212.80/x
  3. Step 3: Cross multiply
    5,429,336.30x = 7,490,661.20 × 3,074,212.80
  4. Step 4: Simplify right side
    5,429,336.30x = 23,027,886,541,503.36
  5. Step 5: Solve for x
    x = 23,027,886,541,503.36/5,429,336.30
  6. Step 6: Final answer
    x = 4,241,381.50

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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.