Home / 2,626,809.66-3,940,438.05-829,212.30

Finding the Fourth Proportional to 2,626,809.66, 3,940,438.05 and 829,212.30

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Solution

The fourth proportional to 2,626,809.66, 3,940,438.05 and 829,212.30 is: 1,243,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,809.66 : 3,940,438.05 = 829,212.30 : x
  2. Step 2: Convert to fraction form
    2,626,809.66/3,940,438.05 = 829,212.30/x
  3. Step 3: Cross multiply
    2,626,809.66x = 3,940,438.05 × 829,212.30
  4. Step 4: Simplify right side
    2,626,809.66x = 3,267,459,698,448.02
  5. Step 5: Solve for x
    x = 3,267,459,698,448.02/2,626,809.66
  6. Step 6: Final answer
    x = 1,243,889.02

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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.