Home / 1,888,390.29-2,833,422.67-989,618.34

Finding the Fourth Proportional to 1,888,390.29, 2,833,422.67 and 989,618.34

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Solution

The fourth proportional to 1,888,390.29, 2,833,422.67 and 989,618.34 is: 1,484,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,390.29 : 2,833,422.67 = 989,618.34 : x
  2. Step 2: Convert to fraction form
    1,888,390.29/2,833,422.67 = 989,618.34/x
  3. Step 3: Cross multiply
    1,888,390.29x = 2,833,422.67 × 989,618.34
  4. Step 4: Simplify right side
    1,888,390.29x = 2,804,007,039,203.77
  5. Step 5: Solve for x
    x = 2,804,007,039,203.77/1,888,390.29
  6. Step 6: Final answer
    x = 1,484,866.27

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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.