Home / 1,965,872.31-2,712,991.10-1,106,488.23

Finding the Fourth Proportional to 1,965,872.31, 2,712,991.10 and 1,106,488.23

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Solution

The fourth proportional to 1,965,872.31, 2,712,991.10 and 1,106,488.23 is: 1,527,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,872.31 : 2,712,991.10 = 1,106,488.23 : x
  2. Step 2: Convert to fraction form
    1,965,872.31/2,712,991.10 = 1,106,488.23/x
  3. Step 3: Cross multiply
    1,965,872.31x = 2,712,991.10 × 1,106,488.23
  4. Step 4: Simplify right side
    1,965,872.31x = 3,001,892,714,712.31
  5. Step 5: Solve for x
    x = 3,001,892,714,712.31/1,965,872.31
  6. Step 6: Final answer
    x = 1,527,002.90

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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.