Home / 5,620,645.76-8,418,199.26-4,398,606.50

Finding the Fourth Proportional to 5,620,645.76, 8,418,199.26 and 4,398,606.50

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Solution

The fourth proportional to 5,620,645.76, 8,418,199.26 and 4,398,606.50 is: 6,587,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620,645.76 : 8,418,199.26 = 4,398,606.50 : x
  2. Step 2: Convert to fraction form
    5,620,645.76/8,418,199.26 = 4,398,606.50/x
  3. Step 3: Cross multiply
    5,620,645.76x = 8,418,199.26 × 4,398,606.50
  4. Step 4: Simplify right side
    5,620,645.76x = 37,028,345,983,331.19
  5. Step 5: Solve for x
    x = 37,028,345,983,331.19/5,620,645.76
  6. Step 6: Final answer
    x = 6,587,916.69

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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.