Home / 2,774,192.45-4,161,288.69-779,648.45

Finding the Fourth Proportional to 2,774,192.45, 4,161,288.69 and 779,648.45

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Solution

The fourth proportional to 2,774,192.45, 4,161,288.69 and 779,648.45 is: 1,169,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,192.45 : 4,161,288.69 = 779,648.45 : x
  2. Step 2: Convert to fraction form
    2,774,192.45/4,161,288.69 = 779,648.45/x
  3. Step 3: Cross multiply
    2,774,192.45x = 4,161,288.69 × 779,648.45
  4. Step 4: Simplify right side
    2,774,192.45x = 3,244,342,256,354.59
  5. Step 5: Solve for x
    x = 3,244,342,256,354.59/2,774,192.45
  6. Step 6: Final answer
    x = 1,169,472.67

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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.