Home / 2,989,811.60-4,485,154.80-967,711.40

Finding the Fourth Proportional to 2,989,811.60, 4,485,154.80 and 967,711.40

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Solution

The fourth proportional to 2,989,811.60, 4,485,154.80 and 967,711.40 is: 1,451,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,811.60 : 4,485,154.80 = 967,711.40 : x
  2. Step 2: Convert to fraction form
    2,989,811.60/4,485,154.80 = 967,711.40/x
  3. Step 3: Cross multiply
    2,989,811.60x = 4,485,154.80 × 967,711.40
  4. Step 4: Simplify right side
    2,989,811.60x = 4,340,335,430,724.72
  5. Step 5: Solve for x
    x = 4,340,335,430,724.72/2,989,811.60
  6. Step 6: Final answer
    x = 1,451,708.67

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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.