Home / 1,866,101.76-2,798,737.92-786,447.36

Finding the Fourth Proportional to 1,866,101.76, 2,798,737.92 and 786,447.36

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Solution

The fourth proportional to 1,866,101.76, 2,798,737.92 and 786,447.36 is: 1,179,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,101.76 : 2,798,737.92 = 786,447.36 : x
  2. Step 2: Convert to fraction form
    1,866,101.76/2,798,737.92 = 786,447.36/x
  3. Step 3: Cross multiply
    1,866,101.76x = 2,798,737.92 × 786,447.36
  4. Step 4: Simplify right side
    1,866,101.76x = 2,201,060,048,515.89
  5. Step 5: Solve for x
    x = 2,201,060,048,515.89/1,866,101.76
  6. Step 6: Final answer
    x = 1,179,496.26

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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.