Home / 3,158,021.40-4,738,672.35-1,475,124.90

Finding the Fourth Proportional to 3,158,021.40, 4,738,672.35 and 1,475,124.90

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Solution

The fourth proportional to 3,158,021.40, 4,738,672.35 and 1,475,124.90 is: 2,213,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,021.40 : 4,738,672.35 = 1,475,124.90 : x
  2. Step 2: Convert to fraction form
    3,158,021.40/4,738,672.35 = 1,475,124.90/x
  3. Step 3: Cross multiply
    3,158,021.40x = 4,738,672.35 × 1,475,124.90
  4. Step 4: Simplify right side
    3,158,021.40x = 6,990,133,576,426.51
  5. Step 5: Solve for x
    x = 6,990,133,576,426.51/3,158,021.40
  6. Step 6: Final answer
    x = 2,213,453.52

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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.