Home / 2,780,276.40-4,170,414.60-1,660,532.40

Finding the Fourth Proportional to 2,780,276.40, 4,170,414.60 and 1,660,532.40

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Solution

The fourth proportional to 2,780,276.40, 4,170,414.60 and 1,660,532.40 is: 2,490,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,276.40 : 4,170,414.60 = 1,660,532.40 : x
  2. Step 2: Convert to fraction form
    2,780,276.40/4,170,414.60 = 1,660,532.40/x
  3. Step 3: Cross multiply
    2,780,276.40x = 4,170,414.60 × 1,660,532.40
  4. Step 4: Simplify right side
    2,780,276.40x = 6,925,108,564,733.04
  5. Step 5: Solve for x
    x = 6,925,108,564,733.04/2,780,276.40
  6. Step 6: Final answer
    x = 2,490,798.60

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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.