Home / 5,111,822.14-7,660,699.88-2,190,417.82

Finding the Fourth Proportional to 5,111,822.14, 7,660,699.88 and 2,190,417.82

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Solution

The fourth proportional to 5,111,822.14, 7,660,699.88 and 2,190,417.82 is: 3,282,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,822.14 : 7,660,699.88 = 2,190,417.82 : x
  2. Step 2: Convert to fraction form
    5,111,822.14/7,660,699.88 = 2,190,417.82/x
  3. Step 3: Cross multiply
    5,111,822.14x = 7,660,699.88 × 2,190,417.82
  4. Step 4: Simplify right side
    5,111,822.14x = 16,780,133,500,720.02
  5. Step 5: Solve for x
    x = 16,780,133,500,720.02/5,111,822.14
  6. Step 6: Final answer
    x = 3,282,612.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.