Home / 3,477,420.40-5,213,020.20-2,279,916.40

Finding the Fourth Proportional to 3,477,420.40, 5,213,020.20 and 2,279,916.40

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Solution

The fourth proportional to 3,477,420.40, 5,213,020.20 and 2,279,916.40 is: 3,417,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,420.40 : 5,213,020.20 = 2,279,916.40 : x
  2. Step 2: Convert to fraction form
    3,477,420.40/5,213,020.20 = 2,279,916.40/x
  3. Step 3: Cross multiply
    3,477,420.40x = 5,213,020.20 × 2,279,916.40
  4. Step 4: Simplify right side
    3,477,420.40x = 11,885,250,247,511.28
  5. Step 5: Solve for x
    x = 11,885,250,247,511.28/3,477,420.40
  6. Step 6: Final answer
    x = 3,417,835.31

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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.