Home / 1,876,401.60-2,815,399.44-929,790.24

Finding the Fourth Proportional to 1,876,401.60, 2,815,399.44 and 929,790.24

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Solution

The fourth proportional to 1,876,401.60, 2,815,399.44 and 929,790.24 is: 1,395,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,401.60 : 2,815,399.44 = 929,790.24 : x
  2. Step 2: Convert to fraction form
    1,876,401.60/2,815,399.44 = 929,790.24/x
  3. Step 3: Cross multiply
    1,876,401.60x = 2,815,399.44 × 929,790.24
  4. Step 4: Simplify right side
    1,876,401.60x = 2,617,730,921,013.47
  5. Step 5: Solve for x
    x = 2,617,730,921,013.47/1,876,401.60
  6. Step 6: Final answer
    x = 1,395,080.31

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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.