Home / 5,234,416.92-7,851,628.11-1,640,463.78

Finding the Fourth Proportional to 5,234,416.92, 7,851,628.11 and 1,640,463.78

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Solution

The fourth proportional to 5,234,416.92, 7,851,628.11 and 1,640,463.78 is: 2,460,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,416.92 : 7,851,628.11 = 1,640,463.78 : x
  2. Step 2: Convert to fraction form
    5,234,416.92/7,851,628.11 = 1,640,463.78/x
  3. Step 3: Cross multiply
    5,234,416.92x = 7,851,628.11 × 1,640,463.78
  4. Step 4: Simplify right side
    5,234,416.92x = 12,880,311,528,484.86
  5. Step 5: Solve for x
    x = 12,880,311,528,484.86/5,234,416.92
  6. Step 6: Final answer
    x = 2,460,696.53

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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.