Home / 1,921,988.61-2,653,012.17-1,106,517.29

Finding the Fourth Proportional to 1,921,988.61, 2,653,012.17 and 1,106,517.29

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Solution

The fourth proportional to 1,921,988.61, 2,653,012.17 and 1,106,517.29 is: 1,527,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,988.61 : 2,653,012.17 = 1,106,517.29 : x
  2. Step 2: Convert to fraction form
    1,921,988.61/2,653,012.17 = 1,106,517.29/x
  3. Step 3: Cross multiply
    1,921,988.61x = 2,653,012.17 × 1,106,517.29
  4. Step 4: Simplify right side
    1,921,988.61x = 2,935,603,823,420.36
  5. Step 5: Solve for x
    x = 2,935,603,823,420.36/1,921,988.61
  6. Step 6: Final answer
    x = 1,527,378.37

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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.