Home / 3,175,938.56-4,382,742-1,725,656.32

Finding the Fourth Proportional to 3,175,938.56, 4,382,742 and 1,725,656.32

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Solution

The fourth proportional to 3,175,938.56, 4,382,742 and 1,725,656.32 is: 2,381,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,938.56 : 4,382,742 = 1,725,656.32 : x
  2. Step 2: Convert to fraction form
    3,175,938.56/4,382,742 = 1,725,656.32/x
  3. Step 3: Cross multiply
    3,175,938.56x = 4,382,742 × 1,725,656.32
  4. Step 4: Simplify right side
    3,175,938.56x = 7,563,106,431,229.44
  5. Step 5: Solve for x
    x = 7,563,106,431,229.44/3,175,938.56
  6. Step 6: Final answer
    x = 2,381,376.81

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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.