Home / 2,171,814.50-2,997,184.07-1,312,208.62

Finding the Fourth Proportional to 2,171,814.50, 2,997,184.07 and 1,312,208.62

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Solution

The fourth proportional to 2,171,814.50, 2,997,184.07 and 1,312,208.62 is: 1,810,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,814.50 : 2,997,184.07 = 1,312,208.62 : x
  2. Step 2: Convert to fraction form
    2,171,814.50/2,997,184.07 = 1,312,208.62/x
  3. Step 3: Cross multiply
    2,171,814.50x = 2,997,184.07 × 1,312,208.62
  4. Step 4: Simplify right side
    2,171,814.50x = 3,932,930,750,833.72
  5. Step 5: Solve for x
    x = 3,932,930,750,833.72/2,171,814.50
  6. Step 6: Final answer
    x = 1,810,896.26

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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.