Home / 2,970,468.45-4,099,140.39-1,681,281.15

Finding the Fourth Proportional to 2,970,468.45, 4,099,140.39 and 1,681,281.15

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Solution

The fourth proportional to 2,970,468.45, 4,099,140.39 and 1,681,281.15 is: 2,320,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,468.45 : 4,099,140.39 = 1,681,281.15 : x
  2. Step 2: Convert to fraction form
    2,970,468.45/4,099,140.39 = 1,681,281.15/x
  3. Step 3: Cross multiply
    2,970,468.45x = 4,099,140.39 × 1,681,281.15
  4. Step 4: Simplify right side
    2,970,468.45x = 6,891,807,468,910.65
  5. Step 5: Solve for x
    x = 6,891,807,468,910.65/2,970,468.45
  6. Step 6: Final answer
    x = 2,320,107.95

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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.