Home / 2,126,992.32-2,935,284.40-1,160,122.68

Finding the Fourth Proportional to 2,126,992.32, 2,935,284.40 and 1,160,122.68

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Solution

The fourth proportional to 2,126,992.32, 2,935,284.40 and 1,160,122.68 is: 1,600,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,992.32 : 2,935,284.40 = 1,160,122.68 : x
  2. Step 2: Convert to fraction form
    2,126,992.32/2,935,284.40 = 1,160,122.68/x
  3. Step 3: Cross multiply
    2,126,992.32x = 2,935,284.40 × 1,160,122.68
  4. Step 4: Simplify right side
    2,126,992.32x = 3,405,290,004,690.19
  5. Step 5: Solve for x
    x = 3,405,290,004,690.19/2,126,992.32
  6. Step 6: Final answer
    x = 1,600,988.39

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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.