Home / 3,855,638.60-5,782,421.10-1,611,312.20

Finding the Fourth Proportional to 3,855,638.60, 5,782,421.10 and 1,611,312.20

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Solution

The fourth proportional to 3,855,638.60, 5,782,421.10 and 1,611,312.20 is: 2,416,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,638.60 : 5,782,421.10 = 1,611,312.20 : x
  2. Step 2: Convert to fraction form
    3,855,638.60/5,782,421.10 = 1,611,312.20/x
  3. Step 3: Cross multiply
    3,855,638.60x = 5,782,421.10 × 1,611,312.20
  4. Step 4: Simplify right side
    3,855,638.60x = 9,317,285,663,967.42
  5. Step 5: Solve for x
    x = 9,317,285,663,967.42/3,855,638.60
  6. Step 6: Final answer
    x = 2,416,535.01

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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.