Home / 5,378,232.20-8,064,237.90-2,012,779.40

Finding the Fourth Proportional to 5,378,232.20, 8,064,237.90 and 2,012,779.40

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Solution

The fourth proportional to 5,378,232.20, 8,064,237.90 and 2,012,779.40 is: 3,018,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,232.20 : 8,064,237.90 = 2,012,779.40 : x
  2. Step 2: Convert to fraction form
    5,378,232.20/8,064,237.90 = 2,012,779.40/x
  3. Step 3: Cross multiply
    5,378,232.20x = 8,064,237.90 × 2,012,779.40
  4. Step 4: Simplify right side
    5,378,232.20x = 16,231,531,921,819.26
  5. Step 5: Solve for x
    x = 16,231,531,921,819.26/5,378,232.20
  6. Step 6: Final answer
    x = 3,018,005.05

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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.