Home / 2,042,911.86-2,819,009.73-1,257,853.11

Finding the Fourth Proportional to 2,042,911.86, 2,819,009.73 and 1,257,853.11

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Solution

The fourth proportional to 2,042,911.86, 2,819,009.73 and 1,257,853.11 is: 1,735,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,911.86 : 2,819,009.73 = 1,257,853.11 : x
  2. Step 2: Convert to fraction form
    2,042,911.86/2,819,009.73 = 1,257,853.11/x
  3. Step 3: Cross multiply
    2,042,911.86x = 2,819,009.73 × 1,257,853.11
  4. Step 4: Simplify right side
    2,042,911.86x = 3,545,900,156,000.76
  5. Step 5: Solve for x
    x = 3,545,900,156,000.76/2,042,911.86
  6. Step 6: Final answer
    x = 1,735,708.83

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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.