Home / 5,459,383.20-8,188,779.36-1,672,877.28

Finding the Fourth Proportional to 5,459,383.20, 8,188,779.36 and 1,672,877.28

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Solution

The fourth proportional to 5,459,383.20, 8,188,779.36 and 1,672,877.28 is: 2,509,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,383.20 : 8,188,779.36 = 1,672,877.28 : x
  2. Step 2: Convert to fraction form
    5,459,383.20/8,188,779.36 = 1,672,877.28/x
  3. Step 3: Cross multiply
    5,459,383.20x = 8,188,779.36 × 1,672,877.28
  4. Step 4: Simplify right side
    5,459,383.20x = 13,698,822,942,276.94
  5. Step 5: Solve for x
    x = 13,698,822,942,276.94/5,459,383.20
  6. Step 6: Final answer
    x = 2,509,225.39

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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.