Home / 3,148,474.80-4,722,712.20-1,888,762.80

Finding the Fourth Proportional to 3,148,474.80, 4,722,712.20 and 1,888,762.80

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Solution

The fourth proportional to 3,148,474.80, 4,722,712.20 and 1,888,762.80 is: 2,833,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,474.80 : 4,722,712.20 = 1,888,762.80 : x
  2. Step 2: Convert to fraction form
    3,148,474.80/4,722,712.20 = 1,888,762.80/x
  3. Step 3: Cross multiply
    3,148,474.80x = 4,722,712.20 × 1,888,762.80
  4. Step 4: Simplify right side
    3,148,474.80x = 8,920,083,118,466.16
  5. Step 5: Solve for x
    x = 8,920,083,118,466.16/3,148,474.80
  6. Step 6: Final answer
    x = 2,833,144.20

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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.