Home / 1,989,295.14-2,985,100.59-836,458.31

Finding the Fourth Proportional to 1,989,295.14, 2,985,100.59 and 836,458.31

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Solution

The fourth proportional to 1,989,295.14, 2,985,100.59 and 836,458.31 is: 1,255,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,295.14 : 2,985,100.59 = 836,458.31 : x
  2. Step 2: Convert to fraction form
    1,989,295.14/2,985,100.59 = 836,458.31/x
  3. Step 3: Cross multiply
    1,989,295.14x = 2,985,100.59 × 836,458.31
  4. Step 4: Simplify right side
    1,989,295.14x = 2,496,912,179,765.90
  5. Step 5: Solve for x
    x = 2,496,912,179,765.90/1,989,295.14
  6. Step 6: Final answer
    x = 1,255,174.32

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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.