Home / 3,150,943.60-4,728,748.20-2,085,631.60

Finding the Fourth Proportional to 3,150,943.60, 4,728,748.20 and 2,085,631.60

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Solution

The fourth proportional to 3,150,943.60, 4,728,748.20 and 2,085,631.60 is: 3,129,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,943.60 : 4,728,748.20 = 2,085,631.60 : x
  2. Step 2: Convert to fraction form
    3,150,943.60/4,728,748.20 = 2,085,631.60/x
  3. Step 3: Cross multiply
    3,150,943.60x = 4,728,748.20 × 2,085,631.60
  4. Step 4: Simplify right side
    3,150,943.60x = 9,862,426,674,363.12
  5. Step 5: Solve for x
    x = 9,862,426,674,363.12/3,150,943.60
  6. Step 6: Final answer
    x = 3,129,991.50

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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.