Home / 3,438,215.61-4,742,761.01-2,146,813.98

Finding the Fourth Proportional to 3,438,215.61, 4,742,761.01 and 2,146,813.98

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Solution

The fourth proportional to 3,438,215.61, 4,742,761.01 and 2,146,813.98 is: 2,961,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,215.61 : 4,742,761.01 = 2,146,813.98 : x
  2. Step 2: Convert to fraction form
    3,438,215.61/4,742,761.01 = 2,146,813.98/x
  3. Step 3: Cross multiply
    3,438,215.61x = 4,742,761.01 × 2,146,813.98
  4. Step 4: Simplify right side
    3,438,215.61x = 10,181,825,629,332.85
  5. Step 5: Solve for x
    x = 10,181,825,629,332.85/3,438,215.61
  6. Step 6: Final answer
    x = 2,961,369.15

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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.