Home / 2,131,528.88-2,940,222.84-1,406,118.80

Finding the Fourth Proportional to 2,131,528.88, 2,940,222.84 and 1,406,118.80

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Solution

The fourth proportional to 2,131,528.88, 2,940,222.84 and 1,406,118.80 is: 1,939,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,528.88 : 2,940,222.84 = 1,406,118.80 : x
  2. Step 2: Convert to fraction form
    2,131,528.88/2,940,222.84 = 1,406,118.80/x
  3. Step 3: Cross multiply
    2,131,528.88x = 2,940,222.84 × 1,406,118.80
  4. Step 4: Simplify right side
    2,131,528.88x = 4,134,302,611,513.39
  5. Step 5: Solve for x
    x = 4,134,302,611,513.39/2,131,528.88
  6. Step 6: Final answer
    x = 1,939,594.93

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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.