Home / 5,078,449.12-7,617,718.32-1,291,936

Finding the Fourth Proportional to 5,078,449.12, 7,617,718.32 and 1,291,936

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Solution

The fourth proportional to 5,078,449.12, 7,617,718.32 and 1,291,936 is: 1,937,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,449.12 : 7,617,718.32 = 1,291,936 : x
  2. Step 2: Convert to fraction form
    5,078,449.12/7,617,718.32 = 1,291,936/x
  3. Step 3: Cross multiply
    5,078,449.12x = 7,617,718.32 × 1,291,936
  4. Step 4: Simplify right side
    5,078,449.12x = 9,841,604,535,467.52
  5. Step 5: Solve for x
    x = 9,841,604,535,467.52/5,078,449.12
  6. Step 6: Final answer
    x = 1,937,915.36

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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.