Home / 5,618,797.86-8,428,200.89-1,358,970.20

Finding the Fourth Proportional to 5,618,797.86, 8,428,200.89 and 1,358,970.20

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Solution

The fourth proportional to 5,618,797.86, 8,428,200.89 and 1,358,970.20 is: 2,038,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,797.86 : 8,428,200.89 = 1,358,970.20 : x
  2. Step 2: Convert to fraction form
    5,618,797.86/8,428,200.89 = 1,358,970.20/x
  3. Step 3: Cross multiply
    5,618,797.86x = 8,428,200.89 × 1,358,970.20
  4. Step 4: Simplify right side
    5,618,797.86x = 11,453,673,800,187.62
  5. Step 5: Solve for x
    x = 11,453,673,800,187.62/5,618,797.86
  6. Step 6: Final answer
    x = 2,038,456.28

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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.