Home / 2,122,162.07-3,181,322.79-774,008.60

Finding the Fourth Proportional to 2,122,162.07, 3,181,322.79 and 774,008.60

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Solution

The fourth proportional to 2,122,162.07, 3,181,322.79 and 774,008.60 is: 1,160,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,162.07 : 3,181,322.79 = 774,008.60 : x
  2. Step 2: Convert to fraction form
    2,122,162.07/3,181,322.79 = 774,008.60/x
  3. Step 3: Cross multiply
    2,122,162.07x = 3,181,322.79 × 774,008.60
  4. Step 4: Simplify right side
    2,122,162.07x = 2,462,371,182,929.38
  5. Step 5: Solve for x
    x = 2,462,371,182,929.38/2,122,162.07
  6. Step 6: Final answer
    x = 1,160,312.51

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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.