Home / 3,246,385.77-4,480,135.38-1,776,393.72

Finding the Fourth Proportional to 3,246,385.77, 4,480,135.38 and 1,776,393.72

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Solution

The fourth proportional to 3,246,385.77, 4,480,135.38 and 1,776,393.72 is: 2,451,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246,385.77 : 4,480,135.38 = 1,776,393.72 : x
  2. Step 2: Convert to fraction form
    3,246,385.77/4,480,135.38 = 1,776,393.72/x
  3. Step 3: Cross multiply
    3,246,385.77x = 4,480,135.38 × 1,776,393.72
  4. Step 4: Simplify right side
    3,246,385.77x = 7,958,484,353,781.81
  5. Step 5: Solve for x
    x = 7,958,484,353,781.81/3,246,385.77
  6. Step 6: Final answer
    x = 2,451,490.65

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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.