Home / 1,937,781.60-2,904,598.80-872,642.40

Finding the Fourth Proportional to 1,937,781.60, 2,904,598.80 and 872,642.40

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Solution

The fourth proportional to 1,937,781.60, 2,904,598.80 and 872,642.40 is: 1,308,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,781.60 : 2,904,598.80 = 872,642.40 : x
  2. Step 2: Convert to fraction form
    1,937,781.60/2,904,598.80 = 872,642.40/x
  3. Step 3: Cross multiply
    1,937,781.60x = 2,904,598.80 × 872,642.40
  4. Step 4: Simplify right side
    1,937,781.60x = 2,534,676,067,869.12
  5. Step 5: Solve for x
    x = 2,534,676,067,869.12/1,937,781.60
  6. Step 6: Final answer
    x = 1,308,029.79

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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.