Home / 2,878,655.66-3,972,561.63-1,589,471.66

Finding the Fourth Proportional to 2,878,655.66, 3,972,561.63 and 1,589,471.66

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Solution

The fourth proportional to 2,878,655.66, 3,972,561.63 and 1,589,471.66 is: 2,193,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,655.66 : 3,972,561.63 = 1,589,471.66 : x
  2. Step 2: Convert to fraction form
    2,878,655.66/3,972,561.63 = 1,589,471.66/x
  3. Step 3: Cross multiply
    2,878,655.66x = 3,972,561.63 × 1,589,471.66
  4. Step 4: Simplify right side
    2,878,655.66x = 6,314,274,128,488.41
  5. Step 5: Solve for x
    x = 6,314,274,128,488.41/2,878,655.66
  6. Step 6: Final answer
    x = 2,193,480.18

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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.