Home / 3,979,890.28-5,966,074.14-1,585,213.48

Finding the Fourth Proportional to 3,979,890.28, 5,966,074.14 and 1,585,213.48

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Solution

The fourth proportional to 3,979,890.28, 5,966,074.14 and 1,585,213.48 is: 2,376,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,890.28 : 5,966,074.14 = 1,585,213.48 : x
  2. Step 2: Convert to fraction form
    3,979,890.28/5,966,074.14 = 1,585,213.48/x
  3. Step 3: Cross multiply
    3,979,890.28x = 5,966,074.14 × 1,585,213.48
  4. Step 4: Simplify right side
    3,979,890.28x = 9,457,501,149,407.41
  5. Step 5: Solve for x
    x = 9,457,501,149,407.41/3,979,890.28
  6. Step 6: Final answer
    x = 2,376,322.08

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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.