Home / 1,854,339.30-2,785,772.16-1,308,487.74

Finding the Fourth Proportional to 1,854,339.30, 2,785,772.16 and 1,308,487.74

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Solution

The fourth proportional to 1,854,339.30, 2,785,772.16 and 1,308,487.74 is: 1,965,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,339.30 : 2,785,772.16 = 1,308,487.74 : x
  2. Step 2: Convert to fraction form
    1,854,339.30/2,785,772.16 = 1,308,487.74/x
  3. Step 3: Cross multiply
    1,854,339.30x = 2,785,772.16 × 1,308,487.74
  4. Step 4: Simplify right side
    1,854,339.30x = 3,645,148,717,793.32
  5. Step 5: Solve for x
    x = 3,645,148,717,793.32/1,854,339.30
  6. Step 6: Final answer
    x = 1,965,739.88

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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.