Home / 3,911,362.70-5,868,729.87-2,115,510.39

Finding the Fourth Proportional to 3,911,362.70, 5,868,729.87 and 2,115,510.39

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Solution

The fourth proportional to 3,911,362.70, 5,868,729.87 and 2,115,510.39 is: 3,174,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,362.70 : 5,868,729.87 = 2,115,510.39 : x
  2. Step 2: Convert to fraction form
    3,911,362.70/5,868,729.87 = 2,115,510.39/x
  3. Step 3: Cross multiply
    3,911,362.70x = 5,868,729.87 × 2,115,510.39
  4. Step 4: Simplify right side
    3,911,362.70x = 12,415,358,994,624.42
  5. Step 5: Solve for x
    x = 12,415,358,994,624.42/3,911,362.70
  6. Step 6: Final answer
    x = 3,174,177.37

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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.