Home / 2,970,467.45-4,099,139.01-1,681,280.15

Finding the Fourth Proportional to 2,970,467.45, 4,099,139.01 and 1,681,280.15

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Solution

The fourth proportional to 2,970,467.45, 4,099,139.01 and 1,681,280.15 is: 2,320,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,467.45 : 4,099,139.01 = 1,681,280.15 : x
  2. Step 2: Convert to fraction form
    2,970,467.45/4,099,139.01 = 1,681,280.15/x
  3. Step 3: Cross multiply
    2,970,467.45x = 4,099,139.01 × 1,681,280.15
  4. Step 4: Simplify right side
    2,970,467.45x = 6,891,801,049,603.65
  5. Step 5: Solve for x
    x = 6,891,801,049,603.65/2,970,467.45
  6. Step 6: Final answer
    x = 2,320,106.57

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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.