Home / 2,281,256.21-3,148,834.43-1,315,032.41

Finding the Fourth Proportional to 2,281,256.21, 3,148,834.43 and 1,315,032.41

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Solution

The fourth proportional to 2,281,256.21, 3,148,834.43 and 1,315,032.41 is: 1,815,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,256.21 : 3,148,834.43 = 1,315,032.41 : x
  2. Step 2: Convert to fraction form
    2,281,256.21/3,148,834.43 = 1,315,032.41/x
  3. Step 3: Cross multiply
    2,281,256.21x = 3,148,834.43 × 1,315,032.41
  4. Step 4: Simplify right side
    2,281,256.21x = 4,140,819,329,173.88
  5. Step 5: Solve for x
    x = 4,140,819,329,173.88/2,281,256.21
  6. Step 6: Final answer
    x = 1,815,148.74

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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.