Home / 2,159,196.40-3,237,239.40-1,212,857.20

Finding the Fourth Proportional to 2,159,196.40, 3,237,239.40 and 1,212,857.20

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Solution

The fourth proportional to 2,159,196.40, 3,237,239.40 and 1,212,857.20 is: 1,818,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,196.40 : 3,237,239.40 = 1,212,857.20 : x
  2. Step 2: Convert to fraction form
    2,159,196.40/3,237,239.40 = 1,212,857.20/x
  3. Step 3: Cross multiply
    2,159,196.40x = 3,237,239.40 × 1,212,857.20
  4. Step 4: Simplify right side
    2,159,196.40x = 3,926,309,114,413.68
  5. Step 5: Solve for x
    x = 3,926,309,114,413.68/2,159,196.40
  6. Step 6: Final answer
    x = 1,818,412.22

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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.