Home / 2,177,020.90-3,264,547.20-978,326.20

Finding the Fourth Proportional to 2,177,020.90, 3,264,547.20 and 978,326.20

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Solution

The fourth proportional to 2,177,020.90, 3,264,547.20 and 978,326.20 is: 1,467,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,020.90 : 3,264,547.20 = 978,326.20 : x
  2. Step 2: Convert to fraction form
    2,177,020.90/3,264,547.20 = 978,326.20/x
  3. Step 3: Cross multiply
    2,177,020.90x = 3,264,547.20 × 978,326.20
  4. Step 4: Simplify right side
    2,177,020.90x = 3,193,792,056,896.64
  5. Step 5: Solve for x
    x = 3,193,792,056,896.64/2,177,020.90
  6. Step 6: Final answer
    x = 1,467,047.04

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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.