Home / 2,542,931.63-3,509,247.06-1,397,085.78

Finding the Fourth Proportional to 2,542,931.63, 3,509,247.06 and 1,397,085.78

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Solution

The fourth proportional to 2,542,931.63, 3,509,247.06 and 1,397,085.78 is: 1,927,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,931.63 : 3,509,247.06 = 1,397,085.78 : x
  2. Step 2: Convert to fraction form
    2,542,931.63/3,509,247.06 = 1,397,085.78/x
  3. Step 3: Cross multiply
    2,542,931.63x = 3,509,247.06 × 1,397,085.78
  4. Step 4: Simplify right side
    2,542,931.63x = 4,902,719,166,032.81
  5. Step 5: Solve for x
    x = 4,902,719,166,032.81/2,542,931.63
  6. Step 6: Final answer
    x = 1,927,979.16

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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.