Home / 3,159,939.60-4,739,909.40-1,816,246.80

Finding the Fourth Proportional to 3,159,939.60, 4,739,909.40 and 1,816,246.80

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Solution

The fourth proportional to 3,159,939.60, 4,739,909.40 and 1,816,246.80 is: 2,724,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,939.60 : 4,739,909.40 = 1,816,246.80 : x
  2. Step 2: Convert to fraction form
    3,159,939.60/4,739,909.40 = 1,816,246.80/x
  3. Step 3: Cross multiply
    3,159,939.60x = 4,739,909.40 × 1,816,246.80
  4. Step 4: Simplify right side
    3,159,939.60x = 8,608,845,280,039.92
  5. Step 5: Solve for x
    x = 8,608,845,280,039.92/3,159,939.60
  6. Step 6: Final answer
    x = 2,724,370.20

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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.