Home / 2,112,500.70-2,915,373.90-1,182,200.58

Finding the Fourth Proportional to 2,112,500.70, 2,915,373.90 and 1,182,200.58

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Solution

The fourth proportional to 2,112,500.70, 2,915,373.90 and 1,182,200.58 is: 1,631,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,500.70 : 2,915,373.90 = 1,182,200.58 : x
  2. Step 2: Convert to fraction form
    2,112,500.70/2,915,373.90 = 1,182,200.58/x
  3. Step 3: Cross multiply
    2,112,500.70x = 2,915,373.90 × 1,182,200.58
  4. Step 4: Simplify right side
    2,112,500.70x = 3,446,556,715,496.86
  5. Step 5: Solve for x
    x = 3,446,556,715,496.86/2,112,500.70
  6. Step 6: Final answer
    x = 1,631,505.60

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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.