Home / 1,965,674.79-2,712,182.54-1,105,921.35

Finding the Fourth Proportional to 1,965,674.79, 2,712,182.54 and 1,105,921.35

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Solution

The fourth proportional to 1,965,674.79, 2,712,182.54 and 1,105,921.35 is: 1,525,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,674.79 : 2,712,182.54 = 1,105,921.35 : x
  2. Step 2: Convert to fraction form
    1,965,674.79/2,712,182.54 = 1,105,921.35/x
  3. Step 3: Cross multiply
    1,965,674.79x = 2,712,182.54 × 1,105,921.35
  4. Step 4: Simplify right side
    1,965,674.79x = 2,999,460,570,553.62
  5. Step 5: Solve for x
    x = 2,999,460,570,553.62/1,965,674.79
  6. Step 6: Final answer
    x = 1,525,919.03

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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.