Home / 2,920,642.48-4,382,532.06-1,215,962.44

Finding the Fourth Proportional to 2,920,642.48, 4,382,532.06 and 1,215,962.44

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Solution

The fourth proportional to 2,920,642.48, 4,382,532.06 and 1,215,962.44 is: 1,824,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,642.48 : 4,382,532.06 = 1,215,962.44 : x
  2. Step 2: Convert to fraction form
    2,920,642.48/4,382,532.06 = 1,215,962.44/x
  3. Step 3: Cross multiply
    2,920,642.48x = 4,382,532.06 × 1,215,962.44
  4. Step 4: Simplify right side
    2,920,642.48x = 5,328,994,377,055.83
  5. Step 5: Solve for x
    x = 5,328,994,377,055.83/2,920,642.48
  6. Step 6: Final answer
    x = 1,824,596.61

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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.