Home / 2,158,628.40-3,237,578.64-792,119.52

Finding the Fourth Proportional to 2,158,628.40, 3,237,578.64 and 792,119.52

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Solution

The fourth proportional to 2,158,628.40, 3,237,578.64 and 792,119.52 is: 1,188,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,628.40 : 3,237,578.64 = 792,119.52 : x
  2. Step 2: Convert to fraction form
    2,158,628.40/3,237,578.64 = 792,119.52/x
  3. Step 3: Cross multiply
    2,158,628.40x = 3,237,578.64 × 792,119.52
  4. Step 4: Simplify right side
    2,158,628.40x = 2,564,549,238,279.05
  5. Step 5: Solve for x
    x = 2,564,549,238,279.05/2,158,628.40
  6. Step 6: Final answer
    x = 1,188,045.72

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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.