Home / 5,425,885.63-8,137,113.65-1,782,015.15

Finding the Fourth Proportional to 5,425,885.63, 8,137,113.65 and 1,782,015.15

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Solution

The fourth proportional to 5,425,885.63, 8,137,113.65 and 1,782,015.15 is: 2,672,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,885.63 : 8,137,113.65 = 1,782,015.15 : x
  2. Step 2: Convert to fraction form
    5,425,885.63/8,137,113.65 = 1,782,015.15/x
  3. Step 3: Cross multiply
    5,425,885.63x = 8,137,113.65 × 1,782,015.15
  4. Step 4: Simplify right side
    5,425,885.63x = 14,500,459,806,026.83
  5. Step 5: Solve for x
    x = 14,500,459,806,026.83/5,425,885.63
  6. Step 6: Final answer
    x = 2,672,459.54

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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.