Home / 1,923,438.72-2,654,114.08-1,107,907.68

Finding the Fourth Proportional to 1,923,438.72, 2,654,114.08 and 1,107,907.68

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Solution

The fourth proportional to 1,923,438.72, 2,654,114.08 and 1,107,907.68 is: 1,528,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,438.72 : 2,654,114.08 = 1,107,907.68 : x
  2. Step 2: Convert to fraction form
    1,923,438.72/2,654,114.08 = 1,107,907.68/x
  3. Step 3: Cross multiply
    1,923,438.72x = 2,654,114.08 × 1,107,907.68
  4. Step 4: Simplify right side
    1,923,438.72x = 2,940,513,372,828.13
  5. Step 5: Solve for x
    x = 2,940,513,372,828.13/1,923,438.72
  6. Step 6: Final answer
    x = 1,528,779.34

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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.