Home / 2,830,878.10-3,906,722.36-1,607,297.47

Finding the Fourth Proportional to 2,830,878.10, 3,906,722.36 and 1,607,297.47

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Solution

The fourth proportional to 2,830,878.10, 3,906,722.36 and 1,607,297.47 is: 2,218,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,878.10 : 3,906,722.36 = 1,607,297.47 : x
  2. Step 2: Convert to fraction form
    2,830,878.10/3,906,722.36 = 1,607,297.47/x
  3. Step 3: Cross multiply
    2,830,878.10x = 3,906,722.36 × 1,607,297.47
  4. Step 4: Simplify right side
    2,830,878.10x = 6,279,264,965,220.43
  5. Step 5: Solve for x
    x = 6,279,264,965,220.43/2,830,878.10
  6. Step 6: Final answer
    x = 2,218,133.29

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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.