Home / 2,880,478.60-4,319,768.07-960,860.81

Finding the Fourth Proportional to 2,880,478.60, 4,319,768.07 and 960,860.81

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Solution

The fourth proportional to 2,880,478.60, 4,319,768.07 and 960,860.81 is: 1,440,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,478.60 : 4,319,768.07 = 960,860.81 : x
  2. Step 2: Convert to fraction form
    2,880,478.60/4,319,768.07 = 960,860.81/x
  3. Step 3: Cross multiply
    2,880,478.60x = 4,319,768.07 × 960,860.81
  4. Step 4: Simplify right side
    2,880,478.60x = 4,150,695,857,551.76
  5. Step 5: Solve for x
    x = 4,150,695,857,551.76/2,880,478.60
  6. Step 6: Final answer
    x = 1,440,974.38

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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.