Home / 2,927,538.09-4,040,304.47-1,687,191.98

Finding the Fourth Proportional to 2,927,538.09, 4,040,304.47 and 1,687,191.98

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Solution

The fourth proportional to 2,927,538.09, 4,040,304.47 and 1,687,191.98 is: 2,328,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,538.09 : 4,040,304.47 = 1,687,191.98 : x
  2. Step 2: Convert to fraction form
    2,927,538.09/4,040,304.47 = 1,687,191.98/x
  3. Step 3: Cross multiply
    2,927,538.09x = 4,040,304.47 × 1,687,191.98
  4. Step 4: Simplify right side
    2,927,538.09x = 6,816,769,282,558.61
  5. Step 5: Solve for x
    x = 6,816,769,282,558.61/2,927,538.09
  6. Step 6: Final answer
    x = 2,328,498.92

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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.