Home / 2,754,659.40-4,131,989.10-2,124,803.40

Finding the Fourth Proportional to 2,754,659.40, 4,131,989.10 and 2,124,803.40

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Solution

The fourth proportional to 2,754,659.40, 4,131,989.10 and 2,124,803.40 is: 3,187,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,659.40 : 4,131,989.10 = 2,124,803.40 : x
  2. Step 2: Convert to fraction form
    2,754,659.40/4,131,989.10 = 2,124,803.40/x
  3. Step 3: Cross multiply
    2,754,659.40x = 4,131,989.10 × 2,124,803.40
  4. Step 4: Simplify right side
    2,754,659.40x = 8,779,664,488,442.94
  5. Step 5: Solve for x
    x = 8,779,664,488,442.94/2,754,659.40
  6. Step 6: Final answer
    x = 3,187,205.10

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Similar ratio
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1.5x scale

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.