Home / 2,155,484.32-2,974,640.20-1,175,477

Finding the Fourth Proportional to 2,155,484.32, 2,974,640.20 and 1,175,477

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Solution

The fourth proportional to 2,155,484.32, 2,974,640.20 and 1,175,477 is: 1,622,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,484.32 : 2,974,640.20 = 1,175,477 : x
  2. Step 2: Convert to fraction form
    2,155,484.32/2,974,640.20 = 1,175,477/x
  3. Step 3: Cross multiply
    2,155,484.32x = 2,974,640.20 × 1,175,477
  4. Step 4: Simplify right side
    2,155,484.32x = 3,496,621,138,375.40
  5. Step 5: Solve for x
    x = 3,496,621,138,375.40/2,155,484.32
  6. Step 6: Final answer
    x = 1,622,197.44

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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.