Home / 4,158,370.74-6,238,147.29-1,279,977.57

Finding the Fourth Proportional to 4,158,370.74, 6,238,147.29 and 1,279,977.57

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Solution

The fourth proportional to 4,158,370.74, 6,238,147.29 and 1,279,977.57 is: 1,920,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,370.74 : 6,238,147.29 = 1,279,977.57 : x
  2. Step 2: Convert to fraction form
    4,158,370.74/6,238,147.29 = 1,279,977.57/x
  3. Step 3: Cross multiply
    4,158,370.74x = 6,238,147.29 × 1,279,977.57
  4. Step 4: Simplify right side
    4,158,370.74x = 7,984,688,609,556.29
  5. Step 5: Solve for x
    x = 7,984,688,609,556.29/4,158,370.74
  6. Step 6: Final answer
    x = 1,920,148.32

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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.