Home / 1,996,146.24-2,753,900.64-1,230,871.20

Finding the Fourth Proportional to 1,996,146.24, 2,753,900.64 and 1,230,871.20

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Solution

The fourth proportional to 1,996,146.24, 2,753,900.64 and 1,230,871.20 is: 1,698,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,146.24 : 2,753,900.64 = 1,230,871.20 : x
  2. Step 2: Convert to fraction form
    1,996,146.24/2,753,900.64 = 1,230,871.20/x
  3. Step 3: Cross multiply
    1,996,146.24x = 2,753,900.64 × 1,230,871.20
  4. Step 4: Simplify right side
    1,996,146.24x = 3,389,696,985,437.57
  5. Step 5: Solve for x
    x = 3,389,696,985,437.57/1,996,146.24
  6. Step 6: Final answer
    x = 1,698,120.57

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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.