Home / 5,389,940.80-8,073,101.40-2,862,643.60

Finding the Fourth Proportional to 5,389,940.80, 8,073,101.40 and 2,862,643.60

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Solution

The fourth proportional to 5,389,940.80, 8,073,101.40 and 2,862,643.60 is: 4,287,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,940.80 : 8,073,101.40 = 2,862,643.60 : x
  2. Step 2: Convert to fraction form
    5,389,940.80/8,073,101.40 = 2,862,643.60/x
  3. Step 3: Cross multiply
    5,389,940.80x = 8,073,101.40 × 2,862,643.60
  4. Step 4: Simplify right side
    5,389,940.80x = 23,110,412,054,861.04
  5. Step 5: Solve for x
    x = 23,110,412,054,861.04/5,389,940.80
  6. Step 6: Final answer
    x = 4,287,693.11

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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.