Home / 2,042,911.85-2,819,009.73-1,257,853.10

Finding the Fourth Proportional to 2,042,911.85, 2,819,009.73 and 1,257,853.10

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Solution

The fourth proportional to 2,042,911.85, 2,819,009.73 and 1,257,853.10 is: 1,735,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,911.85 : 2,819,009.73 = 1,257,853.10 : x
  2. Step 2: Convert to fraction form
    2,042,911.85/2,819,009.73 = 1,257,853.10/x
  3. Step 3: Cross multiply
    2,042,911.85x = 2,819,009.73 × 1,257,853.10
  4. Step 4: Simplify right side
    2,042,911.85x = 3,545,900,127,810.66
  5. Step 5: Solve for x
    x = 3,545,900,127,810.66/2,042,911.85
  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.