Home / 1,643,171.15-2,267,534.40-918,024.32

Finding the Fourth Proportional to 1,643,171.15, 2,267,534.40 and 918,024.32

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Solution

The fourth proportional to 1,643,171.15, 2,267,534.40 and 918,024.32 is: 1,266,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,171.15 : 2,267,534.40 = 918,024.32 : x
  2. Step 2: Convert to fraction form
    1,643,171.15/2,267,534.40 = 918,024.32/x
  3. Step 3: Cross multiply
    1,643,171.15x = 2,267,534.40 × 918,024.32
  4. Step 4: Simplify right side
    1,643,171.15x = 2,081,651,714,298.94
  5. Step 5: Solve for x
    x = 2,081,651,714,298.94/1,643,171.15
  6. Step 6: Final answer
    x = 1,266,850.21

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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.