Home / 5,200,084.80-7,176,480.48-2,908,457.28

Finding the Fourth Proportional to 5,200,084.80, 7,176,480.48 and 2,908,457.28

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Solution

The fourth proportional to 5,200,084.80, 7,176,480.48 and 2,908,457.28 is: 4,013,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,084.80 : 7,176,480.48 = 2,908,457.28 : x
  2. Step 2: Convert to fraction form
    5,200,084.80/7,176,480.48 = 2,908,457.28/x
  3. Step 3: Cross multiply
    5,200,084.80x = 7,176,480.48 × 2,908,457.28
  4. Step 4: Simplify right side
    5,200,084.80x = 20,872,486,896,833.89
  5. Step 5: Solve for x
    x = 20,872,486,896,833.89/5,200,084.80
  6. Step 6: Final answer
    x = 4,013,874.33

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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.