Home / 2,653,870.56-3,979,797-856,484.60

Finding the Fourth Proportional to 2,653,870.56, 3,979,797 and 856,484.60

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Solution

The fourth proportional to 2,653,870.56, 3,979,797 and 856,484.60 is: 1,284,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,870.56 : 3,979,797 = 856,484.60 : x
  2. Step 2: Convert to fraction form
    2,653,870.56/3,979,797 = 856,484.60/x
  3. Step 3: Cross multiply
    2,653,870.56x = 3,979,797 × 856,484.60
  4. Step 4: Simplify right side
    2,653,870.56x = 3,408,634,841,626.20
  5. Step 5: Solve for x
    x = 3,408,634,841,626.20/2,653,870.56
  6. Step 6: Final answer
    x = 1,284,401.32

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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.