Home / 1,888,392.80-2,833,426.43-989,620.85

Finding the Fourth Proportional to 1,888,392.80, 2,833,426.43 and 989,620.85

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Solution

The fourth proportional to 1,888,392.80, 2,833,426.43 and 989,620.85 is: 1,484,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,392.80 : 2,833,426.43 = 989,620.85 : x
  2. Step 2: Convert to fraction form
    1,888,392.80/2,833,426.43 = 989,620.85/x
  3. Step 3: Cross multiply
    1,888,392.80x = 2,833,426.43 × 989,620.85
  4. Step 4: Simplify right side
    1,888,392.80x = 2,804,017,872,069.07
  5. Step 5: Solve for x
    x = 2,804,017,872,069.07/1,888,392.80
  6. Step 6: Final answer
    x = 1,484,870.03

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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.