Home / 4,105,857.78-5,660,050.50-2,878,446.96

Finding the Fourth Proportional to 4,105,857.78, 5,660,050.50 and 2,878,446.96

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Solution

The fourth proportional to 4,105,857.78, 5,660,050.50 and 2,878,446.96 is: 3,968,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105,857.78 : 5,660,050.50 = 2,878,446.96 : x
  2. Step 2: Convert to fraction form
    4,105,857.78/5,660,050.50 = 2,878,446.96/x
  3. Step 3: Cross multiply
    4,105,857.78x = 5,660,050.50 × 2,878,446.96
  4. Step 4: Simplify right side
    4,105,857.78x = 16,292,155,155,171.48
  5. Step 5: Solve for x
    x = 16,292,155,155,171.48/4,105,857.78
  6. Step 6: Final answer
    x = 3,968,027.15

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1.5x scale

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.