Home / 2,021,543.43-2,789,708.65-1,103,769.69

Finding the Fourth Proportional to 2,021,543.43, 2,789,708.65 and 1,103,769.69

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Solution

The fourth proportional to 2,021,543.43, 2,789,708.65 and 1,103,769.69 is: 1,523,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,543.43 : 2,789,708.65 = 1,103,769.69 : x
  2. Step 2: Convert to fraction form
    2,021,543.43/2,789,708.65 = 1,103,769.69/x
  3. Step 3: Cross multiply
    2,021,543.43x = 2,789,708.65 × 1,103,769.69
  4. Step 4: Simplify right side
    2,021,543.43x = 3,079,195,838,579.99
  5. Step 5: Solve for x
    x = 3,079,195,838,579.99/2,021,543.43
  6. Step 6: Final answer
    x = 1,523,190.55

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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.