Home / 6,426,766.24-9,640,400.24-1,939,042.72

Finding the Fourth Proportional to 6,426,766.24, 9,640,400.24 and 1,939,042.72

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Solution

The fourth proportional to 6,426,766.24, 9,640,400.24 and 1,939,042.72 is: 2,908,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426,766.24 : 9,640,400.24 = 1,939,042.72 : x
  2. Step 2: Convert to fraction form
    6,426,766.24/9,640,400.24 = 1,939,042.72/x
  3. Step 3: Cross multiply
    6,426,766.24x = 9,640,400.24 × 1,939,042.72
  4. Step 4: Simplify right side
    6,426,766.24x = 18,693,147,903,258.25
  5. Step 5: Solve for x
    x = 18,693,147,903,258.25/6,426,766.24
  6. Step 6: Final answer
    x = 2,908,639.77

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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.