Home / 2,538,871.84-3,808,320.80-855,989.92

Finding the Fourth Proportional to 2,538,871.84, 3,808,320.80 and 855,989.92

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Solution

The fourth proportional to 2,538,871.84, 3,808,320.80 and 855,989.92 is: 1,283,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,871.84 : 3,808,320.80 = 855,989.92 : x
  2. Step 2: Convert to fraction form
    2,538,871.84/3,808,320.80 = 855,989.92/x
  3. Step 3: Cross multiply
    2,538,871.84x = 3,808,320.80 × 855,989.92
  4. Step 4: Simplify right side
    2,538,871.84x = 3,259,884,216,926.34
  5. Step 5: Solve for x
    x = 3,259,884,216,926.34/2,538,871.84
  6. Step 6: Final answer
    x = 1,283,989.28

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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.