Home / 2,877,637.42-3,972,322.20-1,962,886.06

Finding the Fourth Proportional to 2,877,637.42, 3,972,322.20 and 1,962,886.06

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Solution

The fourth proportional to 2,877,637.42, 3,972,322.20 and 1,962,886.06 is: 2,709,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,637.42 : 3,972,322.20 = 1,962,886.06 : x
  2. Step 2: Convert to fraction form
    2,877,637.42/3,972,322.20 = 1,962,886.06/x
  3. Step 3: Cross multiply
    2,877,637.42x = 3,972,322.20 × 1,962,886.06
  4. Step 4: Simplify right side
    2,877,637.42x = 7,797,215,872,208.53
  5. Step 5: Solve for x
    x = 7,797,215,872,208.53/2,877,637.42
  6. Step 6: Final answer
    x = 2,709,589.41

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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.