Home / 4,129,653.60-6,194,480.40-2,990,007.90

Finding the Fourth Proportional to 4,129,653.60, 6,194,480.40 and 2,990,007.90

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Solution

The fourth proportional to 4,129,653.60, 6,194,480.40 and 2,990,007.90 is: 4,485,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129,653.60 : 6,194,480.40 = 2,990,007.90 : x
  2. Step 2: Convert to fraction form
    4,129,653.60/6,194,480.40 = 2,990,007.90/x
  3. Step 3: Cross multiply
    4,129,653.60x = 6,194,480.40 × 2,990,007.90
  4. Step 4: Simplify right side
    4,129,653.60x = 18,521,545,332,395.16
  5. Step 5: Solve for x
    x = 18,521,545,332,395.16/4,129,653.60
  6. Step 6: Final answer
    x = 4,485,011.85

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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.