Home / 2,262,256.64-3,121,916.16-1,243,678.72

Finding the Fourth Proportional to 2,262,256.64, 3,121,916.16 and 1,243,678.72

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Solution

The fourth proportional to 2,262,256.64, 3,121,916.16 and 1,243,678.72 is: 1,716,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262,256.64 : 3,121,916.16 = 1,243,678.72 : x
  2. Step 2: Convert to fraction form
    2,262,256.64/3,121,916.16 = 1,243,678.72/x
  3. Step 3: Cross multiply
    2,262,256.64x = 3,121,916.16 × 1,243,678.72
  4. Step 4: Simplify right side
    2,262,256.64x = 3,882,660,693,816.12
  5. Step 5: Solve for x
    x = 3,882,660,693,816.12/2,262,256.64
  6. Step 6: Final answer
    x = 1,716,277.73

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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.