Home / 3,459,234.48-5,189,802.96-1,663,620

Finding the Fourth Proportional to 3,459,234.48, 5,189,802.96 and 1,663,620

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Solution

The fourth proportional to 3,459,234.48, 5,189,802.96 and 1,663,620 is: 2,495,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,234.48 : 5,189,802.96 = 1,663,620 : x
  2. Step 2: Convert to fraction form
    3,459,234.48/5,189,802.96 = 1,663,620/x
  3. Step 3: Cross multiply
    3,459,234.48x = 5,189,802.96 × 1,663,620
  4. Step 4: Simplify right side
    3,459,234.48x = 8,633,860,000,315.20
  5. Step 5: Solve for x
    x = 8,633,860,000,315.20/3,459,234.48
  6. Step 6: Final answer
    x = 2,495,887.47

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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.