Home / 5,234,415.92-7,851,626.61-1,640,462.78

Finding the Fourth Proportional to 5,234,415.92, 7,851,626.61 and 1,640,462.78

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Solution

The fourth proportional to 5,234,415.92, 7,851,626.61 and 1,640,462.78 is: 2,460,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,415.92 : 7,851,626.61 = 1,640,462.78 : x
  2. Step 2: Convert to fraction form
    5,234,415.92/7,851,626.61 = 1,640,462.78/x
  3. Step 3: Cross multiply
    5,234,415.92x = 7,851,626.61 × 1,640,462.78
  4. Step 4: Simplify right side
    5,234,415.92x = 12,880,301,194,702.11
  5. Step 5: Solve for x
    x = 12,880,301,194,702.11/5,234,415.92
  6. Step 6: Final answer
    x = 2,460,695.02

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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.