Home / 1,541,743.42-2,127,580.15-853,400.51

Finding the Fourth Proportional to 1,541,743.42, 2,127,580.15 and 853,400.51

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Solution

The fourth proportional to 1,541,743.42, 2,127,580.15 and 853,400.51 is: 1,177,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,743.42 : 2,127,580.15 = 853,400.51 : x
  2. Step 2: Convert to fraction form
    1,541,743.42/2,127,580.15 = 853,400.51/x
  3. Step 3: Cross multiply
    1,541,743.42x = 2,127,580.15 × 853,400.51
  4. Step 4: Simplify right side
    1,541,743.42x = 1,815,677,979,756.93
  5. Step 5: Solve for x
    x = 1,815,677,979,756.93/1,541,743.42
  6. Step 6: Final answer
    x = 1,177,678.44

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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.