Home / 3,286,980.60-4,928,138.10-1,490,724.60

Finding the Fourth Proportional to 3,286,980.60, 4,928,138.10 and 1,490,724.60

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Solution

The fourth proportional to 3,286,980.60, 4,928,138.10 and 1,490,724.60 is: 2,235,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,980.60 : 4,928,138.10 = 1,490,724.60 : x
  2. Step 2: Convert to fraction form
    3,286,980.60/4,928,138.10 = 1,490,724.60/x
  3. Step 3: Cross multiply
    3,286,980.60x = 4,928,138.10 × 1,490,724.60
  4. Step 4: Simplify right side
    3,286,980.60x = 7,346,496,697,867.26
  5. Step 5: Solve for x
    x = 7,346,496,697,867.26/3,286,980.60
  6. Step 6: Final answer
    x = 2,235,028.92

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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.