Home / 4,343,718.40-6,515,577.60-3,640,379.20

Finding the Fourth Proportional to 4,343,718.40, 6,515,577.60 and 3,640,379.20

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Solution

The fourth proportional to 4,343,718.40, 6,515,577.60 and 3,640,379.20 is: 5,460,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343,718.40 : 6,515,577.60 = 3,640,379.20 : x
  2. Step 2: Convert to fraction form
    4,343,718.40/6,515,577.60 = 3,640,379.20/x
  3. Step 3: Cross multiply
    4,343,718.40x = 6,515,577.60 × 3,640,379.20
  4. Step 4: Simplify right side
    4,343,718.40x = 23,719,173,171,025.92
  5. Step 5: Solve for x
    x = 23,719,173,171,025.92/4,343,718.40
  6. Step 6: Final answer
    x = 5,460,568.80

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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.