Home / 4,810,406.34-7,215,946.20-1,931,772.72

Finding the Fourth Proportional to 4,810,406.34, 7,215,946.20 and 1,931,772.72

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Solution

The fourth proportional to 4,810,406.34, 7,215,946.20 and 1,931,772.72 is: 2,897,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810,406.34 : 7,215,946.20 = 1,931,772.72 : x
  2. Step 2: Convert to fraction form
    4,810,406.34/7,215,946.20 = 1,931,772.72/x
  3. Step 3: Cross multiply
    4,810,406.34x = 7,215,946.20 × 1,931,772.72
  4. Step 4: Simplify right side
    4,810,406.34x = 13,939,568,018,147.66
  5. Step 5: Solve for x
    x = 13,939,568,018,147.66/4,810,406.34
  6. Step 6: Final answer
    x = 2,897,794.29

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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.