Home / 6,420,582.63-8,860,401.89-3,519,911.26

Finding the Fourth Proportional to 6,420,582.63, 8,860,401.89 and 3,519,911.26

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Solution

The fourth proportional to 6,420,582.63, 8,860,401.89 and 3,519,911.26 is: 4,857,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,582.63 : 8,860,401.89 = 3,519,911.26 : x
  2. Step 2: Convert to fraction form
    6,420,582.63/8,860,401.89 = 3,519,911.26/x
  3. Step 3: Cross multiply
    6,420,582.63x = 8,860,401.89 × 3,519,911.26
  4. Step 4: Simplify right side
    6,420,582.63x = 31,187,828,363,136.72
  5. Step 5: Solve for x
    x = 31,187,828,363,136.72/6,420,582.63
  6. Step 6: Final answer
    x = 4,857,476.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.