Home / 3,911,216.64-5,397,728.40-2,192,337.60

Finding the Fourth Proportional to 3,911,216.64, 5,397,728.40 and 2,192,337.60

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Solution

The fourth proportional to 3,911,216.64, 5,397,728.40 and 2,192,337.60 is: 3,025,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,216.64 : 5,397,728.40 = 2,192,337.60 : x
  2. Step 2: Convert to fraction form
    3,911,216.64/5,397,728.40 = 2,192,337.60/x
  3. Step 3: Cross multiply
    3,911,216.64x = 5,397,728.40 × 2,192,337.60
  4. Step 4: Simplify right side
    3,911,216.64x = 11,833,642,925,907.84
  5. Step 5: Solve for x
    x = 11,833,642,925,907.84/3,911,216.64
  6. Step 6: Final answer
    x = 3,025,565.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.