Home / 1,963,431.82-2,945,151.78-543,492.10

Finding the Fourth Proportional to 1,963,431.82, 2,945,151.78 and 543,492.10

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Solution

The fourth proportional to 1,963,431.82, 2,945,151.78 and 543,492.10 is: 815,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,431.82 : 2,945,151.78 = 543,492.10 : x
  2. Step 2: Convert to fraction form
    1,963,431.82/2,945,151.78 = 543,492.10/x
  3. Step 3: Cross multiply
    1,963,431.82x = 2,945,151.78 × 543,492.10
  4. Step 4: Simplify right side
    1,963,431.82x = 1,600,666,725,730.94
  5. Step 5: Solve for x
    x = 1,600,666,725,730.94/1,963,431.82
  6. Step 6: Final answer
    x = 815,239.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.