Home / 1,813,021.10-2,501,795.48-997,211.78

Finding the Fourth Proportional to 1,813,021.10, 2,501,795.48 and 997,211.78

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Solution

The fourth proportional to 1,813,021.10, 2,501,795.48 and 997,211.78 is: 1,376,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,021.10 : 2,501,795.48 = 997,211.78 : x
  2. Step 2: Convert to fraction form
    1,813,021.10/2,501,795.48 = 997,211.78/x
  3. Step 3: Cross multiply
    1,813,021.10x = 2,501,795.48 × 997,211.78
  4. Step 4: Simplify right side
    1,813,021.10x = 2,494,819,923,806.75
  5. Step 5: Solve for x
    x = 2,494,819,923,806.75/1,813,021.10
  6. Step 6: Final answer
    x = 1,376,056.75

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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.