Home / 6,518,822.40-9,778,233.60-1,727,251.20

Finding the Fourth Proportional to 6,518,822.40, 9,778,233.60 and 1,727,251.20

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Solution

The fourth proportional to 6,518,822.40, 9,778,233.60 and 1,727,251.20 is: 2,590,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,822.40 : 9,778,233.60 = 1,727,251.20 : x
  2. Step 2: Convert to fraction form
    6,518,822.40/9,778,233.60 = 1,727,251.20/x
  3. Step 3: Cross multiply
    6,518,822.40x = 9,778,233.60 × 1,727,251.20
  4. Step 4: Simplify right side
    6,518,822.40x = 16,889,465,719,480.32
  5. Step 5: Solve for x
    x = 16,889,465,719,480.32/6,518,822.40
  6. Step 6: Final answer
    x = 2,590,876.80

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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.