Home / 3,937,938-5,434,322.27-2,195,586.69

Finding the Fourth Proportional to 3,937,938, 5,434,322.27 and 2,195,586.69

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Solution

The fourth proportional to 3,937,938, 5,434,322.27 and 2,195,586.69 is: 3,029,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,938 : 5,434,322.27 = 2,195,586.69 : x
  2. Step 2: Convert to fraction form
    3,937,938/5,434,322.27 = 2,195,586.69/x
  3. Step 3: Cross multiply
    3,937,938x = 5,434,322.27 × 2,195,586.69
  4. Step 4: Simplify right side
    3,937,938x = 11,931,525,634,204.65
  5. Step 5: Solve for x
    x = 11,931,525,634,204.65/3,937,938
  6. Step 6: Final answer
    x = 3,029,891.69

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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.