Home / 3,427,879.32-5,142,130.65-903,534.57

Finding the Fourth Proportional to 3,427,879.32, 5,142,130.65 and 903,534.57

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Solution

The fourth proportional to 3,427,879.32, 5,142,130.65 and 903,534.57 is: 1,355,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,879.32 : 5,142,130.65 = 903,534.57 : x
  2. Step 2: Convert to fraction form
    3,427,879.32/5,142,130.65 = 903,534.57/x
  3. Step 3: Cross multiply
    3,427,879.32x = 5,142,130.65 × 903,534.57
  4. Step 4: Simplify right side
    3,427,879.32x = 4,646,092,805,731.57
  5. Step 5: Solve for x
    x = 4,646,092,805,731.57/3,427,879.32
  6. Step 6: Final answer
    x = 1,355,384.01

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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.