Home / 1,888,406.38-2,833,446.88-989,634.43

Finding the Fourth Proportional to 1,888,406.38, 2,833,446.88 and 989,634.43

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Solution

The fourth proportional to 1,888,406.38, 2,833,446.88 and 989,634.43 is: 1,484,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,406.38 : 2,833,446.88 = 989,634.43 : x
  2. Step 2: Convert to fraction form
    1,888,406.38/2,833,446.88 = 989,634.43/x
  3. Step 3: Cross multiply
    1,888,406.38x = 2,833,446.88 × 989,634.43
  4. Step 4: Simplify right side
    1,888,406.38x = 2,804,076,588,024.08
  5. Step 5: Solve for x
    x = 2,804,076,588,024.08/1,888,406.38
  6. Step 6: Final answer
    x = 1,484,890.44

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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.