Home / 1,963,478.88-2,709,564.78-1,092,309.30

Finding the Fourth Proportional to 1,963,478.88, 2,709,564.78 and 1,092,309.30

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Solution

The fourth proportional to 1,963,478.88, 2,709,564.78 and 1,092,309.30 is: 1,507,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,478.88 : 2,709,564.78 = 1,092,309.30 : x
  2. Step 2: Convert to fraction form
    1,963,478.88/2,709,564.78 = 1,092,309.30/x
  3. Step 3: Cross multiply
    1,963,478.88x = 2,709,564.78 × 1,092,309.30
  4. Step 4: Simplify right side
    1,963,478.88x = 2,959,682,808,146.45
  5. Step 5: Solve for x
    x = 2,959,682,808,146.45/1,963,478.88
  6. Step 6: Final answer
    x = 1,507,366.77

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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.