Home / 2,187,745.40-3,020,419.23-1,500,546.26

Finding the Fourth Proportional to 2,187,745.40, 3,020,419.23 and 1,500,546.26

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Solution

The fourth proportional to 2,187,745.40, 3,020,419.23 and 1,500,546.26 is: 2,071,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,745.40 : 3,020,419.23 = 1,500,546.26 : x
  2. Step 2: Convert to fraction form
    2,187,745.40/3,020,419.23 = 1,500,546.26/x
  3. Step 3: Cross multiply
    2,187,745.40x = 3,020,419.23 × 1,500,546.26
  4. Step 4: Simplify right side
    2,187,745.40x = 4,532,278,781,132.58
  5. Step 5: Solve for x
    x = 4,532,278,781,132.58/2,187,745.40
  6. Step 6: Final answer
    x = 2,071,666.46

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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.