Home / 2,176,576.80-3,264,872.72-660,272.80

Finding the Fourth Proportional to 2,176,576.80, 3,264,872.72 and 660,272.80

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Solution

The fourth proportional to 2,176,576.80, 3,264,872.72 and 660,272.80 is: 990,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,576.80 : 3,264,872.72 = 660,272.80 : x
  2. Step 2: Convert to fraction form
    2,176,576.80/3,264,872.72 = 660,272.80/x
  3. Step 3: Cross multiply
    2,176,576.80x = 3,264,872.72 × 660,272.80
  4. Step 4: Simplify right side
    2,176,576.80x = 2,155,706,652,478.02
  5. Step 5: Solve for x
    x = 2,155,706,652,478.02/2,176,576.80
  6. Step 6: Final answer
    x = 990,411.48

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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.