Home / 2,154,875.28-2,973,772.89-1,188,046.32

Finding the Fourth Proportional to 2,154,875.28, 2,973,772.89 and 1,188,046.32

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Solution

The fourth proportional to 2,154,875.28, 2,973,772.89 and 1,188,046.32 is: 1,639,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,875.28 : 2,973,772.89 = 1,188,046.32 : x
  2. Step 2: Convert to fraction form
    2,154,875.28/2,973,772.89 = 1,188,046.32/x
  3. Step 3: Cross multiply
    2,154,875.28x = 2,973,772.89 × 1,188,046.32
  4. Step 4: Simplify right side
    2,154,875.28x = 3,532,979,938,480.27
  5. Step 5: Solve for x
    x = 3,532,979,938,480.27/2,154,875.28
  6. Step 6: Final answer
    x = 1,639,528.73

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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.