Home / 2,785,000.64-3,843,287.52-1,577,773.76

Finding the Fourth Proportional to 2,785,000.64, 3,843,287.52 and 1,577,773.76

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Solution

The fourth proportional to 2,785,000.64, 3,843,287.52 and 1,577,773.76 is: 2,177,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,000.64 : 3,843,287.52 = 1,577,773.76 : x
  2. Step 2: Convert to fraction form
    2,785,000.64/3,843,287.52 = 1,577,773.76/x
  3. Step 3: Cross multiply
    2,785,000.64x = 3,843,287.52 × 1,577,773.76
  4. Step 4: Simplify right side
    2,785,000.64x = 6,063,838,201,191.48
  5. Step 5: Solve for x
    x = 6,063,838,201,191.48/2,785,000.64
  6. Step 6: Final answer
    x = 2,177,320.22

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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.