Home / 1,888,391.30-2,833,424.18-989,619.35

Finding the Fourth Proportional to 1,888,391.30, 2,833,424.18 and 989,619.35

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Solution

The fourth proportional to 1,888,391.30, 2,833,424.18 and 989,619.35 is: 1,484,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,391.30 : 2,833,424.18 = 989,619.35 : x
  2. Step 2: Convert to fraction form
    1,888,391.30/2,833,424.18 = 989,619.35/x
  3. Step 3: Cross multiply
    1,888,391.30x = 2,833,424.18 × 989,619.35
  4. Step 4: Simplify right side
    1,888,391.30x = 2,804,011,376,170.67
  5. Step 5: Solve for x
    x = 2,804,011,376,170.67/1,888,391.30
  6. Step 6: Final answer
    x = 1,484,867.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.