Home / 5,234,211.16-7,851,319.57-1,640,259.38

Finding the Fourth Proportional to 5,234,211.16, 7,851,319.57 and 1,640,259.38

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Solution

The fourth proportional to 5,234,211.16, 7,851,319.57 and 1,640,259.38 is: 2,460,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,211.16 : 7,851,319.57 = 1,640,259.38 : x
  2. Step 2: Convert to fraction form
    5,234,211.16/7,851,319.57 = 1,640,259.38/x
  3. Step 3: Cross multiply
    5,234,211.16x = 7,851,319.57 × 1,640,259.38
  4. Step 4: Simplify right side
    5,234,211.16x = 12,878,200,591,748.69
  5. Step 5: Solve for x
    x = 12,878,200,591,748.69/5,234,211.16
  6. Step 6: Final answer
    x = 2,460,389.96

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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.