Home / 2,280,357.32-3,146,893.38-1,247,865.30

Finding the Fourth Proportional to 2,280,357.32, 3,146,893.38 and 1,247,865.30

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Solution

The fourth proportional to 2,280,357.32, 3,146,893.38 and 1,247,865.30 is: 1,722,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,357.32 : 3,146,893.38 = 1,247,865.30 : x
  2. Step 2: Convert to fraction form
    2,280,357.32/3,146,893.38 = 1,247,865.30/x
  3. Step 3: Cross multiply
    2,280,357.32x = 3,146,893.38 × 1,247,865.30
  4. Step 4: Simplify right side
    2,280,357.32x = 3,926,899,051,701.71
  5. Step 5: Solve for x
    x = 3,926,899,051,701.71/2,280,357.32
  6. Step 6: Final answer
    x = 1,722,054.27

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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.