Home / 1,543,549.16-2,129,419.33-931,360.48

Finding the Fourth Proportional to 1,543,549.16, 2,129,419.33 and 931,360.48

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Solution

The fourth proportional to 1,543,549.16, 2,129,419.33 and 931,360.48 is: 1,284,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,549.16 : 2,129,419.33 = 931,360.48 : x
  2. Step 2: Convert to fraction form
    1,543,549.16/2,129,419.33 = 931,360.48/x
  3. Step 3: Cross multiply
    1,543,549.16x = 2,129,419.33 × 931,360.48
  4. Step 4: Simplify right side
    1,543,549.16x = 1,983,257,001,658.13
  5. Step 5: Solve for x
    x = 1,983,257,001,658.13/1,543,549.16
  6. Step 6: Final answer
    x = 1,284,868.05

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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.