Home / 2,880,479.60-4,319,769.57-960,861.81

Finding the Fourth Proportional to 2,880,479.60, 4,319,769.57 and 960,861.81

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Solution

The fourth proportional to 2,880,479.60, 4,319,769.57 and 960,861.81 is: 1,440,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,479.60 : 4,319,769.57 = 960,861.81 : x
  2. Step 2: Convert to fraction form
    2,880,479.60/4,319,769.57 = 960,861.81/x
  3. Step 3: Cross multiply
    2,880,479.60x = 4,319,769.57 × 960,861.81
  4. Step 4: Simplify right side
    2,880,479.60x = 4,150,701,607,813.12
  5. Step 5: Solve for x
    x = 4,150,701,607,813.12/2,880,479.60
  6. Step 6: Final answer
    x = 1,440,975.87

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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.