Home / 5,387,421.90-7,434,798.84-2,940,190.32

Finding the Fourth Proportional to 5,387,421.90, 7,434,798.84 and 2,940,190.32

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Solution

The fourth proportional to 5,387,421.90, 7,434,798.84 and 2,940,190.32 is: 4,057,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,421.90 : 7,434,798.84 = 2,940,190.32 : x
  2. Step 2: Convert to fraction form
    5,387,421.90/7,434,798.84 = 2,940,190.32/x
  3. Step 3: Cross multiply
    5,387,421.90x = 7,434,798.84 × 2,940,190.32
  4. Step 4: Simplify right side
    5,387,421.90x = 21,859,723,580,515.23
  5. Step 5: Solve for x
    x = 21,859,723,580,515.23/5,387,421.90
  6. Step 6: Final answer
    x = 4,057,548.12

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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.