Home / 5,387,435.36-7,434,817.52-2,940,203.82

Finding the Fourth Proportional to 5,387,435.36, 7,434,817.52 and 2,940,203.82

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Solution

The fourth proportional to 5,387,435.36, 7,434,817.52 and 2,940,203.82 is: 4,057,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,435.36 : 7,434,817.52 = 2,940,203.82 : x
  2. Step 2: Convert to fraction form
    5,387,435.36/7,434,817.52 = 2,940,203.82/x
  3. Step 3: Cross multiply
    5,387,435.36x = 7,434,817.52 × 2,940,203.82
  4. Step 4: Simplify right side
    5,387,435.36x = 21,859,878,858,605.91
  5. Step 5: Solve for x
    x = 21,859,878,858,605.91/5,387,435.36
  6. Step 6: Final answer
    x = 4,057,566.80

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1.5x scale

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.