Home / 3,148,128.40-4,722,192.60-2,518,272.40

Finding the Fourth Proportional to 3,148,128.40, 4,722,192.60 and 2,518,272.40

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Solution

The fourth proportional to 3,148,128.40, 4,722,192.60 and 2,518,272.40 is: 3,777,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,128.40 : 4,722,192.60 = 2,518,272.40 : x
  2. Step 2: Convert to fraction form
    3,148,128.40/4,722,192.60 = 2,518,272.40/x
  3. Step 3: Cross multiply
    3,148,128.40x = 4,722,192.60 × 2,518,272.40
  4. Step 4: Simplify right side
    3,148,128.40x = 11,891,767,292,064.24
  5. Step 5: Solve for x
    x = 11,891,767,292,064.24/3,148,128.40
  6. Step 6: Final answer
    x = 3,777,408.60

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1.5x scale

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.