Home / 3,915,362.92-5,403,237.70-2,196,520.34

Finding the Fourth Proportional to 3,915,362.92, 5,403,237.70 and 2,196,520.34

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Solution

The fourth proportional to 3,915,362.92, 5,403,237.70 and 2,196,520.34 is: 3,031,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,362.92 : 5,403,237.70 = 2,196,520.34 : x
  2. Step 2: Convert to fraction form
    3,915,362.92/5,403,237.70 = 2,196,520.34/x
  3. Step 3: Cross multiply
    3,915,362.92x = 5,403,237.70 × 2,196,520.34
  4. Step 4: Simplify right side
    3,915,362.92x = 11,868,321,509,904.82
  5. Step 5: Solve for x
    x = 11,868,321,509,904.82/3,915,362.92
  6. Step 6: Final answer
    x = 3,031,218.75

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1.5x scale

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.