Home / 1,818,378.92-2,510,438.10-1,616,616.56

Finding the Fourth Proportional to 1,818,378.92, 2,510,438.10 and 1,616,616.56

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Solution

The fourth proportional to 1,818,378.92, 2,510,438.10 and 1,616,616.56 is: 2,231,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,378.92 : 2,510,438.10 = 1,616,616.56 : x
  2. Step 2: Convert to fraction form
    1,818,378.92/2,510,438.10 = 1,616,616.56/x
  3. Step 3: Cross multiply
    1,818,378.92x = 2,510,438.10 × 1,616,616.56
  4. Step 4: Simplify right side
    1,818,378.92x = 4,058,415,805,528.72
  5. Step 5: Solve for x
    x = 4,058,415,805,528.72/1,818,378.92
  6. Step 6: Final answer
    x = 2,231,886.74

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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.