Home / 3,518,321.12-4,855,741.08-1,970,172.35

Finding the Fourth Proportional to 3,518,321.12, 4,855,741.08 and 1,970,172.35

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Solution

The fourth proportional to 3,518,321.12, 4,855,741.08 and 1,970,172.35 is: 2,719,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,321.12 : 4,855,741.08 = 1,970,172.35 : x
  2. Step 2: Convert to fraction form
    3,518,321.12/4,855,741.08 = 1,970,172.35/x
  3. Step 3: Cross multiply
    3,518,321.12x = 4,855,741.08 × 1,970,172.35
  4. Step 4: Simplify right side
    3,518,321.12x = 9,566,646,814,575.14
  5. Step 5: Solve for x
    x = 9,566,646,814,575.14/3,518,321.12
  6. Step 6: Final answer
    x = 2,719,094.27

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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.