Home / 3,805,119.92-5,708,269.56-1,280,578.16

Finding the Fourth Proportional to 3,805,119.92, 5,708,269.56 and 1,280,578.16

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Solution

The fourth proportional to 3,805,119.92, 5,708,269.56 and 1,280,578.16 is: 1,921,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805,119.92 : 5,708,269.56 = 1,280,578.16 : x
  2. Step 2: Convert to fraction form
    3,805,119.92/5,708,269.56 = 1,280,578.16/x
  3. Step 3: Cross multiply
    3,805,119.92x = 5,708,269.56 × 1,280,578.16
  4. Step 4: Simplify right side
    3,805,119.92x = 7,309,885,329,928.81
  5. Step 5: Solve for x
    x = 7,309,885,329,928.81/3,805,119.92
  6. Step 6: Final answer
    x = 1,921,065.69

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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.