Home / 1,837,711.89-2,756,699.19-489,867.57

Finding the Fourth Proportional to 1,837,711.89, 2,756,699.19 and 489,867.57

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Solution

The fourth proportional to 1,837,711.89, 2,756,699.19 and 489,867.57 is: 734,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,711.89 : 2,756,699.19 = 489,867.57 : x
  2. Step 2: Convert to fraction form
    1,837,711.89/2,756,699.19 = 489,867.57/x
  3. Step 3: Cross multiply
    1,837,711.89x = 2,756,699.19 × 489,867.57
  4. Step 4: Simplify right side
    1,837,711.89x = 1,350,417,533,426.27
  5. Step 5: Solve for x
    x = 1,350,417,533,426.27/1,837,711.89
  6. Step 6: Final answer
    x = 734,836.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.