Home / 2,718,271.82-4,077,127.18-921,108.67

Finding the Fourth Proportional to 2,718,271.82, 4,077,127.18 and 921,108.67

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Solution

The fourth proportional to 2,718,271.82, 4,077,127.18 and 921,108.67 is: 1,381,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,271.82 : 4,077,127.18 = 921,108.67 : x
  2. Step 2: Convert to fraction form
    2,718,271.82/4,077,127.18 = 921,108.67/x
  3. Step 3: Cross multiply
    2,718,271.82x = 4,077,127.18 × 921,108.67
  4. Step 4: Simplify right side
    2,718,271.82x = 3,755,477,194,190.65
  5. Step 5: Solve for x
    x = 3,755,477,194,190.65/2,718,271.82
  6. Step 6: Final answer
    x = 1,381,567.94

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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.