Home / 2,242,743.60-3,364,630.56-645,319.92

Finding the Fourth Proportional to 2,242,743.60, 3,364,630.56 and 645,319.92

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Solution

The fourth proportional to 2,242,743.60, 3,364,630.56 and 645,319.92 is: 968,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242,743.60 : 3,364,630.56 = 645,319.92 : x
  2. Step 2: Convert to fraction form
    2,242,743.60/3,364,630.56 = 645,319.92/x
  3. Step 3: Cross multiply
    2,242,743.60x = 3,364,630.56 × 645,319.92
  4. Step 4: Simplify right side
    2,242,743.60x = 2,171,263,123,808.76
  5. Step 5: Solve for x
    x = 2,171,263,123,808.76/2,242,743.60
  6. Step 6: Final answer
    x = 968,128.11

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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.