Home / 5,185,066.80-7,777,600.20-1,398,932.40

Finding the Fourth Proportional to 5,185,066.80, 7,777,600.20 and 1,398,932.40

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Solution

The fourth proportional to 5,185,066.80, 7,777,600.20 and 1,398,932.40 is: 2,098,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,066.80 : 7,777,600.20 = 1,398,932.40 : x
  2. Step 2: Convert to fraction form
    5,185,066.80/7,777,600.20 = 1,398,932.40/x
  3. Step 3: Cross multiply
    5,185,066.80x = 7,777,600.20 × 1,398,932.40
  4. Step 4: Simplify right side
    5,185,066.80x = 10,880,336,914,026.48
  5. Step 5: Solve for x
    x = 10,880,336,914,026.48/5,185,066.80
  6. Step 6: Final answer
    x = 2,098,398.60

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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.