Home / 2,914,878-4,372,877.43-1,117,621.29

Finding the Fourth Proportional to 2,914,878, 4,372,877.43 and 1,117,621.29

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Solution

The fourth proportional to 2,914,878, 4,372,877.43 and 1,117,621.29 is: 1,676,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,878 : 4,372,877.43 = 1,117,621.29 : x
  2. Step 2: Convert to fraction form
    2,914,878/4,372,877.43 = 1,117,621.29/x
  3. Step 3: Cross multiply
    2,914,878x = 4,372,877.43 × 1,117,621.29
  4. Step 4: Simplify right side
    2,914,878x = 4,887,220,914,328.48
  5. Step 5: Solve for x
    x = 4,887,220,914,328.48/2,914,878
  6. Step 6: Final answer
    x = 1,676,646.81

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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.