Home / 2,281,871-3,148,862.23-1,249,180.81

Finding the Fourth Proportional to 2,281,871, 3,148,862.23 and 1,249,180.81

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Solution

The fourth proportional to 2,281,871, 3,148,862.23 and 1,249,180.81 is: 1,723,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,871 : 3,148,862.23 = 1,249,180.81 : x
  2. Step 2: Convert to fraction form
    2,281,871/3,148,862.23 = 1,249,180.81/x
  3. Step 3: Cross multiply
    2,281,871x = 3,148,862.23 × 1,249,180.81
  4. Step 4: Simplify right side
    2,281,871x = 3,933,498,271,049.81
  5. Step 5: Solve for x
    x = 3,933,498,271,049.81/2,281,871
  6. Step 6: Final answer
    x = 1,723,803.96

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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.