Home / 2,127,222-3,190,860.79-707,278.08

Finding the Fourth Proportional to 2,127,222, 3,190,860.79 and 707,278.08

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Solution

The fourth proportional to 2,127,222, 3,190,860.79 and 707,278.08 is: 1,060,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,222 : 3,190,860.79 = 707,278.08 : x
  2. Step 2: Convert to fraction form
    2,127,222/3,190,860.79 = 707,278.08/x
  3. Step 3: Cross multiply
    2,127,222x = 3,190,860.79 × 707,278.08
  4. Step 4: Simplify right side
    2,127,222x = 2,256,825,889,325.86
  5. Step 5: Solve for x
    x = 2,256,825,889,325.86/2,127,222
  6. Step 6: Final answer
    x = 1,060,926.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.