Home / 5,210,239.10-7,190,129.72-3,173,048.60

Finding the Fourth Proportional to 5,210,239.10, 7,190,129.72 and 3,173,048.60

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Solution

The fourth proportional to 5,210,239.10, 7,190,129.72 and 3,173,048.60 is: 4,378,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,239.10 : 7,190,129.72 = 3,173,048.60 : x
  2. Step 2: Convert to fraction form
    5,210,239.10/7,190,129.72 = 3,173,048.60/x
  3. Step 3: Cross multiply
    5,210,239.10x = 7,190,129.72 × 3,173,048.60
  4. Step 4: Simplify right side
    5,210,239.10x = 22,814,631,025,999.15
  5. Step 5: Solve for x
    x = 22,814,631,025,999.15/5,210,239.10
  6. Step 6: Final answer
    x = 4,378,806.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.