Home / 1,538,469.07-2,298,109.80-1,139,888.32

Finding the Fourth Proportional to 1,538,469.07, 2,298,109.80 and 1,139,888.32

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Solution

The fourth proportional to 1,538,469.07, 2,298,109.80 and 1,139,888.32 is: 1,702,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,469.07 : 2,298,109.80 = 1,139,888.32 : x
  2. Step 2: Convert to fraction form
    1,538,469.07/2,298,109.80 = 1,139,888.32/x
  3. Step 3: Cross multiply
    1,538,469.07x = 2,298,109.80 × 1,139,888.32
  4. Step 4: Simplify right side
    1,538,469.07x = 2,619,588,519,097.54
  5. Step 5: Solve for x
    x = 2,619,588,519,097.54/1,538,469.07
  6. Step 6: Final answer
    x = 1,702,724.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.