Home / 1,515,539.14-2,091,295.11-836,431.90

Finding the Fourth Proportional to 1,515,539.14, 2,091,295.11 and 836,431.90

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Solution

The fourth proportional to 1,515,539.14, 2,091,295.11 and 836,431.90 is: 1,154,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,539.14 : 2,091,295.11 = 836,431.90 : x
  2. Step 2: Convert to fraction form
    1,515,539.14/2,091,295.11 = 836,431.90/x
  3. Step 3: Cross multiply
    1,515,539.14x = 2,091,295.11 × 836,431.90
  4. Step 4: Simplify right side
    1,515,539.14x = 1,749,225,942,318.01
  5. Step 5: Solve for x
    x = 1,749,225,942,318.01/1,515,539.14
  6. Step 6: Final answer
    x = 1,154,193.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.