Home / 5,134,243.20-7,084,986.16-2,810,690.26

Finding the Fourth Proportional to 5,134,243.20, 7,084,986.16 and 2,810,690.26

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Solution

The fourth proportional to 5,134,243.20, 7,084,986.16 and 2,810,690.26 is: 3,878,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,243.20 : 7,084,986.16 = 2,810,690.26 : x
  2. Step 2: Convert to fraction form
    5,134,243.20/7,084,986.16 = 2,810,690.26/x
  3. Step 3: Cross multiply
    5,134,243.20x = 7,084,986.16 × 2,810,690.26
  4. Step 4: Simplify right side
    5,134,243.20x = 19,913,701,592,146.80
  5. Step 5: Solve for x
    x = 19,913,701,592,146.80/5,134,243.20
  6. Step 6: Final answer
    x = 3,878,605.05

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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.