Home / 1,566,614.41-2,161,909.51-878,282.89

Finding the Fourth Proportional to 1,566,614.41, 2,161,909.51 and 878,282.89

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Solution

The fourth proportional to 1,566,614.41, 2,161,909.51 and 878,282.89 is: 1,212,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,614.41 : 2,161,909.51 = 878,282.89 : x
  2. Step 2: Convert to fraction form
    1,566,614.41/2,161,909.51 = 878,282.89/x
  3. Step 3: Cross multiply
    1,566,614.41x = 2,161,909.51 × 878,282.89
  4. Step 4: Simplify right side
    1,566,614.41x = 1,898,768,132,361.28
  5. Step 5: Solve for x
    x = 1,898,768,132,361.28/1,566,614.41
  6. Step 6: Final answer
    x = 1,212,020.09

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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.