Home / 2,421,939.12-3,633,564.50-905,776.06

Finding the Fourth Proportional to 2,421,939.12, 3,633,564.50 and 905,776.06

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Solution

The fourth proportional to 2,421,939.12, 3,633,564.50 and 905,776.06 is: 1,358,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,939.12 : 3,633,564.50 = 905,776.06 : x
  2. Step 2: Convert to fraction form
    2,421,939.12/3,633,564.50 = 905,776.06/x
  3. Step 3: Cross multiply
    2,421,939.12x = 3,633,564.50 × 905,776.06
  4. Step 4: Simplify right side
    2,421,939.12x = 3,291,195,736,565.87
  5. Step 5: Solve for x
    x = 3,291,195,736,565.87/2,421,939.12
  6. Step 6: Final answer
    x = 1,358,909.36

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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.