Home / 1,857,676.12-2,563,622.40-1,042,061.20

Finding the Fourth Proportional to 1,857,676.12, 2,563,622.40 and 1,042,061.20

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Solution

The fourth proportional to 1,857,676.12, 2,563,622.40 and 1,042,061.20 is: 1,438,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,676.12 : 2,563,622.40 = 1,042,061.20 : x
  2. Step 2: Convert to fraction form
    1,857,676.12/2,563,622.40 = 1,042,061.20/x
  3. Step 3: Cross multiply
    1,857,676.12x = 2,563,622.40 × 1,042,061.20
  4. Step 4: Simplify right side
    1,857,676.12x = 2,671,451,434,490.88
  5. Step 5: Solve for x
    x = 2,671,451,434,490.88/1,857,676.12
  6. Step 6: Final answer
    x = 1,438,060.92

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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.