Home / 5,139,361.96-7,092,080.58-2,816,240.68

Finding the Fourth Proportional to 5,139,361.96, 7,092,080.58 and 2,816,240.68

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Solution

The fourth proportional to 5,139,361.96, 7,092,080.58 and 2,816,240.68 is: 3,886,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,361.96 : 7,092,080.58 = 2,816,240.68 : x
  2. Step 2: Convert to fraction form
    5,139,361.96/7,092,080.58 = 2,816,240.68/x
  3. Step 3: Cross multiply
    5,139,361.96x = 7,092,080.58 × 2,816,240.68
  4. Step 4: Simplify right side
    5,139,361.96x = 19,973,005,835,234.00
  5. Step 5: Solve for x
    x = 19,973,005,835,234.00/5,139,361.96
  6. Step 6: Final answer
    x = 3,886,281.21

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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.