Home / 2,920,103.60-4,378,254.60-2,621,505.20

Finding the Fourth Proportional to 2,920,103.60, 4,378,254.60 and 2,621,505.20

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Solution

The fourth proportional to 2,920,103.60, 4,378,254.60 and 2,621,505.20 is: 3,930,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,103.60 : 4,378,254.60 = 2,621,505.20 : x
  2. Step 2: Convert to fraction form
    2,920,103.60/4,378,254.60 = 2,621,505.20/x
  3. Step 3: Cross multiply
    2,920,103.60x = 4,378,254.60 × 2,621,505.20
  4. Step 4: Simplify right side
    2,920,103.60x = 11,477,617,200,823.92
  5. Step 5: Solve for x
    x = 11,477,617,200,823.92/2,920,103.60
  6. Step 6: Final answer
    x = 3,930,551.37

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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.