Home / 4,993,685.78-6,889,325.63-2,900,171.85

Finding the Fourth Proportional to 4,993,685.78, 6,889,325.63 and 2,900,171.85

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Solution

The fourth proportional to 4,993,685.78, 6,889,325.63 and 2,900,171.85 is: 4,001,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,685.78 : 6,889,325.63 = 2,900,171.85 : x
  2. Step 2: Convert to fraction form
    4,993,685.78/6,889,325.63 = 2,900,171.85/x
  3. Step 3: Cross multiply
    4,993,685.78x = 6,889,325.63 × 2,900,171.85
  4. Step 4: Simplify right side
    4,993,685.78x = 19,980,228,243,108.66
  5. Step 5: Solve for x
    x = 19,980,228,243,108.66/4,993,685.78
  6. Step 6: Final answer
    x = 4,001,098.42

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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.