Home / 1,818,371.61-2,510,428.01-1,616,609.25

Finding the Fourth Proportional to 1,818,371.61, 2,510,428.01 and 1,616,609.25

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Solution

The fourth proportional to 1,818,371.61, 2,510,428.01 and 1,616,609.25 is: 2,231,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,371.61 : 2,510,428.01 = 1,616,609.25 : x
  2. Step 2: Convert to fraction form
    1,818,371.61/2,510,428.01 = 1,616,609.25/x
  3. Step 3: Cross multiply
    1,818,371.61x = 2,510,428.01 × 1,616,609.25
  4. Step 4: Simplify right side
    1,818,371.61x = 4,058,381,134,342.05
  5. Step 5: Solve for x
    x = 4,058,381,134,342.05/1,818,371.61
  6. Step 6: Final answer
    x = 2,231,876.65

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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.