Home / 3,020,642.94-4,530,272.03-861,626.96

Finding the Fourth Proportional to 3,020,642.94, 4,530,272.03 and 861,626.96

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Solution

The fourth proportional to 3,020,642.94, 4,530,272.03 and 861,626.96 is: 1,292,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,642.94 : 4,530,272.03 = 861,626.96 : x
  2. Step 2: Convert to fraction form
    3,020,642.94/4,530,272.03 = 861,626.96/x
  3. Step 3: Cross multiply
    3,020,642.94x = 4,530,272.03 × 861,626.96
  4. Step 4: Simplify right side
    3,020,642.94x = 3,903,404,490,222.43
  5. Step 5: Solve for x
    x = 3,903,404,490,222.43/3,020,642.94
  6. Step 6: Final answer
    x = 1,292,242.93

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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.