Home / 1,891,719.30-2,609,890.23-1,456,269.78

Finding the Fourth Proportional to 1,891,719.30, 2,609,890.23 and 1,456,269.78

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Solution

The fourth proportional to 1,891,719.30, 2,609,890.23 and 1,456,269.78 is: 2,009,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,719.30 : 2,609,890.23 = 1,456,269.78 : x
  2. Step 2: Convert to fraction form
    1,891,719.30/2,609,890.23 = 1,456,269.78/x
  3. Step 3: Cross multiply
    1,891,719.30x = 2,609,890.23 × 1,456,269.78
  4. Step 4: Simplify right side
    1,891,719.30x = 3,800,704,271,066.25
  5. Step 5: Solve for x
    x = 3,800,704,271,066.25/1,891,719.30
  6. Step 6: Final answer
    x = 2,009,126.97

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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.