Home / 1,988,501.50-2,977,194.57-1,074,409.66

Finding the Fourth Proportional to 1,988,501.50, 2,977,194.57 and 1,074,409.66

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Solution

The fourth proportional to 1,988,501.50, 2,977,194.57 and 1,074,409.66 is: 1,608,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,501.50 : 2,977,194.57 = 1,074,409.66 : x
  2. Step 2: Convert to fraction form
    1,988,501.50/2,977,194.57 = 1,074,409.66/x
  3. Step 3: Cross multiply
    1,988,501.50x = 2,977,194.57 × 1,074,409.66
  4. Step 4: Simplify right side
    1,988,501.50x = 3,198,726,605,707.55
  5. Step 5: Solve for x
    x = 3,198,726,605,707.55/1,988,501.50
  6. Step 6: Final answer
    x = 1,608,611.61

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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.