Home / 2,201,222.68-3,038,122.98-1,427,812

Finding the Fourth Proportional to 2,201,222.68, 3,038,122.98 and 1,427,812

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Solution

The fourth proportional to 2,201,222.68, 3,038,122.98 and 1,427,812 is: 1,970,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,222.68 : 3,038,122.98 = 1,427,812 : x
  2. Step 2: Convert to fraction form
    2,201,222.68/3,038,122.98 = 1,427,812/x
  3. Step 3: Cross multiply
    2,201,222.68x = 3,038,122.98 × 1,427,812
  4. Step 4: Simplify right side
    2,201,222.68x = 4,337,868,448,319.76
  5. Step 5: Solve for x
    x = 4,337,868,448,319.76/2,201,222.68
  6. Step 6: Final answer
    x = 1,970,663.16

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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.