Home / 1,536,715.68-2,120,945.16-916,560.56

Finding the Fourth Proportional to 1,536,715.68, 2,120,945.16 and 916,560.56

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Solution

The fourth proportional to 1,536,715.68, 2,120,945.16 and 916,560.56 is: 1,265,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,715.68 : 2,120,945.16 = 916,560.56 : x
  2. Step 2: Convert to fraction form
    1,536,715.68/2,120,945.16 = 916,560.56/x
  3. Step 3: Cross multiply
    1,536,715.68x = 2,120,945.16 × 916,560.56
  4. Step 4: Simplify right side
    1,536,715.68x = 1,943,974,683,578.89
  5. Step 5: Solve for x
    x = 1,943,974,683,578.89/1,536,715.68
  6. Step 6: Final answer
    x = 1,265,019.10

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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.