Home / 1,888,412.70-2,833,456.23-989,640.75

Finding the Fourth Proportional to 1,888,412.70, 2,833,456.23 and 989,640.75

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Solution

The fourth proportional to 1,888,412.70, 2,833,456.23 and 989,640.75 is: 1,484,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,412.70 : 2,833,456.23 = 989,640.75 : x
  2. Step 2: Convert to fraction form
    1,888,412.70/2,833,456.23 = 989,640.75/x
  3. Step 3: Cross multiply
    1,888,412.70x = 2,833,456.23 × 989,640.75
  4. Step 4: Simplify right side
    1,888,412.70x = 2,804,103,748,549.37
  5. Step 5: Solve for x
    x = 2,804,103,748,549.37/1,888,412.70
  6. Step 6: Final answer
    x = 1,484,899.86

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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.