Home / 3,642,870.91-5,463,931.92-1,213,761.81

Finding the Fourth Proportional to 3,642,870.91, 5,463,931.92 and 1,213,761.81

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Solution

The fourth proportional to 3,642,870.91, 5,463,931.92 and 1,213,761.81 is: 1,820,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,870.91 : 5,463,931.92 = 1,213,761.81 : x
  2. Step 2: Convert to fraction form
    3,642,870.91/5,463,931.92 = 1,213,761.81/x
  3. Step 3: Cross multiply
    3,642,870.91x = 5,463,931.92 × 1,213,761.81
  4. Step 4: Simplify right side
    3,642,870.91x = 6,631,911,903,765.89
  5. Step 5: Solve for x
    x = 6,631,911,903,765.89/3,642,870.91
  6. Step 6: Final answer
    x = 1,820,517.95

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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.