Home / 4,119,321.60-6,178,982.40-2,438,323.20

Finding the Fourth Proportional to 4,119,321.60, 6,178,982.40 and 2,438,323.20

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Solution

The fourth proportional to 4,119,321.60, 6,178,982.40 and 2,438,323.20 is: 3,657,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,321.60 : 6,178,982.40 = 2,438,323.20 : x
  2. Step 2: Convert to fraction form
    4,119,321.60/6,178,982.40 = 2,438,323.20/x
  3. Step 3: Cross multiply
    4,119,321.60x = 6,178,982.40 × 2,438,323.20
  4. Step 4: Simplify right side
    4,119,321.60x = 15,066,356,138,311.68
  5. Step 5: Solve for x
    x = 15,066,356,138,311.68/4,119,321.60
  6. Step 6: Final answer
    x = 3,657,484.80

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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.