Home / 3,506,607.20-5,259,910.80-2,798,019.20

Finding the Fourth Proportional to 3,506,607.20, 5,259,910.80 and 2,798,019.20

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Solution

The fourth proportional to 3,506,607.20, 5,259,910.80 and 2,798,019.20 is: 4,197,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506,607.20 : 5,259,910.80 = 2,798,019.20 : x
  2. Step 2: Convert to fraction form
    3,506,607.20/5,259,910.80 = 2,798,019.20/x
  3. Step 3: Cross multiply
    3,506,607.20x = 5,259,910.80 × 2,798,019.20
  4. Step 4: Simplify right side
    3,506,607.20x = 14,717,331,408,687.36
  5. Step 5: Solve for x
    x = 14,717,331,408,687.36/3,506,607.20
  6. Step 6: Final answer
    x = 4,197,028.80

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Similar ratio
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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.