Home / 2,191,715.96-3,024,702.29-1,224,923.45

Finding the Fourth Proportional to 2,191,715.96, 3,024,702.29 and 1,224,923.45

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Solution

The fourth proportional to 2,191,715.96, 3,024,702.29 and 1,224,923.45 is: 1,690,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,715.96 : 3,024,702.29 = 1,224,923.45 : x
  2. Step 2: Convert to fraction form
    2,191,715.96/3,024,702.29 = 1,224,923.45/x
  3. Step 3: Cross multiply
    2,191,715.96x = 3,024,702.29 × 1,224,923.45
  4. Step 4: Simplify right side
    2,191,715.96x = 3,705,028,743,041.57
  5. Step 5: Solve for x
    x = 3,705,028,743,041.57/2,191,715.96
  6. Step 6: Final answer
    x = 1,690,469.39

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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.