Home / 5,213,181.40-7,194,120.87-2,921,386.84

Finding the Fourth Proportional to 5,213,181.40, 7,194,120.87 and 2,921,386.84

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Solution

The fourth proportional to 5,213,181.40, 7,194,120.87 and 2,921,386.84 is: 4,031,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,181.40 : 7,194,120.87 = 2,921,386.84 : x
  2. Step 2: Convert to fraction form
    5,213,181.40/7,194,120.87 = 2,921,386.84/x
  3. Step 3: Cross multiply
    5,213,181.40x = 7,194,120.87 × 2,921,386.84
  4. Step 4: Simplify right side
    5,213,181.40x = 21,016,810,033,024.80
  5. Step 5: Solve for x
    x = 21,016,810,033,024.80/5,213,181.40
  6. Step 6: Final answer
    x = 4,031,474.91

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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.