Home / 2,191,731.07-3,024,723.16-1,224,938.56

Finding the Fourth Proportional to 2,191,731.07, 3,024,723.16 and 1,224,938.56

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Solution

The fourth proportional to 2,191,731.07, 3,024,723.16 and 1,224,938.56 is: 1,690,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,731.07 : 3,024,723.16 = 1,224,938.56 : x
  2. Step 2: Convert to fraction form
    2,191,731.07/3,024,723.16 = 1,224,938.56/x
  3. Step 3: Cross multiply
    2,191,731.07x = 3,024,723.16 × 1,224,938.56
  4. Step 4: Simplify right side
    2,191,731.07x = 3,705,100,032,009.05
  5. Step 5: Solve for x
    x = 3,705,100,032,009.05/2,191,731.07
  6. Step 6: Final answer
    x = 1,690,490.26

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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.