Home / 2,397,438.15-3,308,513.40-1,309,780.16

Finding the Fourth Proportional to 2,397,438.15, 3,308,513.40 and 1,309,780.16

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Solution

The fourth proportional to 2,397,438.15, 3,308,513.40 and 1,309,780.16 is: 1,807,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397,438.15 : 3,308,513.40 = 1,309,780.16 : x
  2. Step 2: Convert to fraction form
    2,397,438.15/3,308,513.40 = 1,309,780.16/x
  3. Step 3: Cross multiply
    2,397,438.15x = 3,308,513.40 × 1,309,780.16
  4. Step 4: Simplify right side
    2,397,438.15x = 4,333,425,203,865.24
  5. Step 5: Solve for x
    x = 4,333,425,203,865.24/2,397,438.15
  6. Step 6: Final answer
    x = 1,807,523.25

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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.