Home / 2,691,312.80-4,042,585.20-2,271,408.80

Finding the Fourth Proportional to 2,691,312.80, 4,042,585.20 and 2,271,408.80

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Solution

The fourth proportional to 2,691,312.80, 4,042,585.20 and 2,271,408.80 is: 3,411,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,312.80 : 4,042,585.20 = 2,271,408.80 : x
  2. Step 2: Convert to fraction form
    2,691,312.80/4,042,585.20 = 2,271,408.80/x
  3. Step 3: Cross multiply
    2,691,312.80x = 4,042,585.20 × 2,271,408.80
  4. Step 4: Simplify right side
    2,691,312.80x = 9,182,363,598,029.76
  5. Step 5: Solve for x
    x = 9,182,363,598,029.76/2,691,312.80
  6. Step 6: Final answer
    x = 3,411,852.98

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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.