Home / 2,129,903.81-3,196,018.16-1,233,097.12

Finding the Fourth Proportional to 2,129,903.81, 3,196,018.16 and 1,233,097.12

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Solution

The fourth proportional to 2,129,903.81, 3,196,018.16 and 1,233,097.12 is: 1,850,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,903.81 : 3,196,018.16 = 1,233,097.12 : x
  2. Step 2: Convert to fraction form
    2,129,903.81/3,196,018.16 = 1,233,097.12/x
  3. Step 3: Cross multiply
    2,129,903.81x = 3,196,018.16 × 1,233,097.12
  4. Step 4: Simplify right side
    2,129,903.81x = 3,941,000,797,953.52
  5. Step 5: Solve for x
    x = 3,941,000,797,953.52/2,129,903.81
  6. Step 6: Final answer
    x = 1,850,318.68

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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.