Home / 2,949,686.64-4,070,646.30-1,660,575.78

Finding the Fourth Proportional to 2,949,686.64, 4,070,646.30 and 1,660,575.78

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Solution

The fourth proportional to 2,949,686.64, 4,070,646.30 and 1,660,575.78 is: 2,291,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,686.64 : 4,070,646.30 = 1,660,575.78 : x
  2. Step 2: Convert to fraction form
    2,949,686.64/4,070,646.30 = 1,660,575.78/x
  3. Step 3: Cross multiply
    2,949,686.64x = 4,070,646.30 × 1,660,575.78
  4. Step 4: Simplify right side
    2,949,686.64x = 6,759,616,654,726.61
  5. Step 5: Solve for x
    x = 6,759,616,654,726.61/2,949,686.64
  6. Step 6: Final answer
    x = 2,291,638.90

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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.