Home / 2,754,042.60-4,131,063.90-1,237,139.40

Finding the Fourth Proportional to 2,754,042.60, 4,131,063.90 and 1,237,139.40

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Solution

The fourth proportional to 2,754,042.60, 4,131,063.90 and 1,237,139.40 is: 1,855,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,042.60 : 4,131,063.90 = 1,237,139.40 : x
  2. Step 2: Convert to fraction form
    2,754,042.60/4,131,063.90 = 1,237,139.40/x
  3. Step 3: Cross multiply
    2,754,042.60x = 4,131,063.90 × 1,237,139.40
  4. Step 4: Simplify right side
    2,754,042.60x = 5,110,701,914,607.66
  5. Step 5: Solve for x
    x = 5,110,701,914,607.66/2,754,042.60
  6. Step 6: Final answer
    x = 1,855,709.10

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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.