Home / 1,561,953.38-2,154,859.75-1,017,890.96

Finding the Fourth Proportional to 1,561,953.38, 2,154,859.75 and 1,017,890.96

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Solution

The fourth proportional to 1,561,953.38, 2,154,859.75 and 1,017,890.96 is: 1,404,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,953.38 : 2,154,859.75 = 1,017,890.96 : x
  2. Step 2: Convert to fraction form
    1,561,953.38/2,154,859.75 = 1,017,890.96/x
  3. Step 3: Cross multiply
    1,561,953.38x = 2,154,859.75 × 1,017,890.96
  4. Step 4: Simplify right side
    1,561,953.38x = 2,193,412,259,592.86
  5. Step 5: Solve for x
    x = 2,193,412,259,592.86/1,561,953.38
  6. Step 6: Final answer
    x = 1,404,275.11

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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.