Home / 3,108,085.50-4,662,392.31-864,223.50

Finding the Fourth Proportional to 3,108,085.50, 4,662,392.31 and 864,223.50

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Solution

The fourth proportional to 3,108,085.50, 4,662,392.31 and 864,223.50 is: 1,296,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,085.50 : 4,662,392.31 = 864,223.50 : x
  2. Step 2: Convert to fraction form
    3,108,085.50/4,662,392.31 = 864,223.50/x
  3. Step 3: Cross multiply
    3,108,085.50x = 4,662,392.31 × 864,223.50
  4. Step 4: Simplify right side
    3,108,085.50x = 4,029,349,000,521.28
  5. Step 5: Solve for x
    x = 4,029,349,000,521.28/3,108,085.50
  6. Step 6: Final answer
    x = 1,296,408.67

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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.