Home / 2,042,911.11-2,819,008.69-1,257,852.36

Finding the Fourth Proportional to 2,042,911.11, 2,819,008.69 and 1,257,852.36

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Solution

The fourth proportional to 2,042,911.11, 2,819,008.69 and 1,257,852.36 is: 1,735,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,911.11 : 2,819,008.69 = 1,257,852.36 : x
  2. Step 2: Convert to fraction form
    2,042,911.11/2,819,008.69 = 1,257,852.36/x
  3. Step 3: Cross multiply
    2,042,911.11x = 2,819,008.69 × 1,257,852.36
  4. Step 4: Simplify right side
    2,042,911.11x = 3,545,896,733,577.01
  5. Step 5: Solve for x
    x = 3,545,896,733,577.01/2,042,911.11
  6. Step 6: Final answer
    x = 1,735,707.79

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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.