Home / 2,912,586.40-4,368,879.60-2,781,949.60

Finding the Fourth Proportional to 2,912,586.40, 4,368,879.60 and 2,781,949.60

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Solution

The fourth proportional to 2,912,586.40, 4,368,879.60 and 2,781,949.60 is: 4,172,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,586.40 : 4,368,879.60 = 2,781,949.60 : x
  2. Step 2: Convert to fraction form
    2,912,586.40/4,368,879.60 = 2,781,949.60/x
  3. Step 3: Cross multiply
    2,912,586.40x = 4,368,879.60 × 2,781,949.60
  4. Step 4: Simplify right side
    2,912,586.40x = 12,154,002,855,668.16
  5. Step 5: Solve for x
    x = 12,154,002,855,668.16/2,912,586.40
  6. Step 6: Final answer
    x = 4,172,924.40

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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.