Home / 2,915,193.16-4,022,981.38-1,608,490.36

Finding the Fourth Proportional to 2,915,193.16, 4,022,981.38 and 1,608,490.36

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Solution

The fourth proportional to 2,915,193.16, 4,022,981.38 and 1,608,490.36 is: 2,219,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,193.16 : 4,022,981.38 = 1,608,490.36 : x
  2. Step 2: Convert to fraction form
    2,915,193.16/4,022,981.38 = 1,608,490.36/x
  3. Step 3: Cross multiply
    2,915,193.16x = 4,022,981.38 × 1,608,490.36
  4. Step 4: Simplify right side
    2,915,193.16x = 6,470,926,768,189.50
  5. Step 5: Solve for x
    x = 6,470,926,768,189.50/2,915,193.16
  6. Step 6: Final answer
    x = 2,219,724.87

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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.