Home / 1,981,037.90-2,732,561.93-1,360,543.57

Finding the Fourth Proportional to 1,981,037.90, 2,732,561.93 and 1,360,543.57

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Solution

The fourth proportional to 1,981,037.90, 2,732,561.93 and 1,360,543.57 is: 1,876,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,037.90 : 2,732,561.93 = 1,360,543.57 : x
  2. Step 2: Convert to fraction form
    1,981,037.90/2,732,561.93 = 1,360,543.57/x
  3. Step 3: Cross multiply
    1,981,037.90x = 2,732,561.93 × 1,360,543.57
  4. Step 4: Simplify right side
    1,981,037.90x = 3,717,769,560,058.24
  5. Step 5: Solve for x
    x = 3,717,769,560,058.24/1,981,037.90
  6. Step 6: Final answer
    x = 1,876,677.65

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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.