Home / 3,987,528.78-5,502,719.28-2,268,612.42

Finding the Fourth Proportional to 3,987,528.78, 5,502,719.28 and 2,268,612.42

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Solution

The fourth proportional to 3,987,528.78, 5,502,719.28 and 2,268,612.42 is: 3,130,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,528.78 : 5,502,719.28 = 2,268,612.42 : x
  2. Step 2: Convert to fraction form
    3,987,528.78/5,502,719.28 = 2,268,612.42/x
  3. Step 3: Cross multiply
    3,987,528.78x = 5,502,719.28 × 2,268,612.42
  4. Step 4: Simplify right side
    3,987,528.78x = 12,483,537,302,381.46
  5. Step 5: Solve for x
    x = 12,483,537,302,381.46/3,987,528.78
  6. Step 6: Final answer
    x = 3,130,645.07

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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.