Home / 2,042,631.12-2,818,807.92-1,124,841.72

Finding the Fourth Proportional to 2,042,631.12, 2,818,807.92 and 1,124,841.72

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Solution

The fourth proportional to 2,042,631.12, 2,818,807.92 and 1,124,841.72 is: 1,552,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,631.12 : 2,818,807.92 = 1,124,841.72 : x
  2. Step 2: Convert to fraction form
    2,042,631.12/2,818,807.92 = 1,124,841.72/x
  3. Step 3: Cross multiply
    2,042,631.12x = 2,818,807.92 × 1,124,841.72
  4. Step 4: Simplify right side
    2,042,631.12x = 3,170,712,749,082.42
  5. Step 5: Solve for x
    x = 3,170,712,749,082.42/2,042,631.12
  6. Step 6: Final answer
    x = 1,552,268.89

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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.