Home / 3,175,918.54-4,382,783.80-1,725,617.68

Finding the Fourth Proportional to 3,175,918.54, 4,382,783.80 and 1,725,617.68

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Solution

The fourth proportional to 3,175,918.54, 4,382,783.80 and 1,725,617.68 is: 2,381,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,918.54 : 4,382,783.80 = 1,725,617.68 : x
  2. Step 2: Convert to fraction form
    3,175,918.54/4,382,783.80 = 1,725,617.68/x
  3. Step 3: Cross multiply
    3,175,918.54x = 4,382,783.80 × 1,725,617.68
  4. Step 4: Simplify right side
    3,175,918.54x = 7,563,009,212,897.58
  5. Step 5: Solve for x
    x = 7,563,009,212,897.58/3,175,918.54
  6. Step 6: Final answer
    x = 2,381,361.21

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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.