Home / 5,458,436.80-8,187,655.20-2,617,086.40

Finding the Fourth Proportional to 5,458,436.80, 8,187,655.20 and 2,617,086.40

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Solution

The fourth proportional to 5,458,436.80, 8,187,655.20 and 2,617,086.40 is: 3,925,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,436.80 : 8,187,655.20 = 2,617,086.40 : x
  2. Step 2: Convert to fraction form
    5,458,436.80/8,187,655.20 = 2,617,086.40/x
  3. Step 3: Cross multiply
    5,458,436.80x = 8,187,655.20 × 2,617,086.40
  4. Step 4: Simplify right side
    5,458,436.80x = 21,427,801,071,809.28
  5. Step 5: Solve for x
    x = 21,427,801,071,809.28/5,458,436.80
  6. Step 6: Final answer
    x = 3,925,629.60

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1.5x scale

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.