Home / 2,180,112.33-3,005,437.05-1,533,525.78

Finding the Fourth Proportional to 2,180,112.33, 3,005,437.05 and 1,533,525.78

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Solution

The fourth proportional to 2,180,112.33, 3,005,437.05 and 1,533,525.78 is: 2,114,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,112.33 : 3,005,437.05 = 1,533,525.78 : x
  2. Step 2: Convert to fraction form
    2,180,112.33/3,005,437.05 = 1,533,525.78/x
  3. Step 3: Cross multiply
    2,180,112.33x = 3,005,437.05 × 1,533,525.78
  4. Step 4: Simplify right side
    2,180,112.33x = 4,608,915,196,342.15
  5. Step 5: Solve for x
    x = 4,608,915,196,342.15/2,180,112.33
  6. Step 6: Final answer
    x = 2,114,072.35

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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.