Home / 1,862,995.60-2,794,493.40-1,296,125.20

Finding the Fourth Proportional to 1,862,995.60, 2,794,493.40 and 1,296,125.20

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Solution

The fourth proportional to 1,862,995.60, 2,794,493.40 and 1,296,125.20 is: 1,944,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,995.60 : 2,794,493.40 = 1,296,125.20 : x
  2. Step 2: Convert to fraction form
    1,862,995.60/2,794,493.40 = 1,296,125.20/x
  3. Step 3: Cross multiply
    1,862,995.60x = 2,794,493.40 × 1,296,125.20
  4. Step 4: Simplify right side
    1,862,995.60x = 3,622,013,316,973.68
  5. Step 5: Solve for x
    x = 3,622,013,316,973.68/1,862,995.60
  6. Step 6: Final answer
    x = 1,944,187.80

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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.