Home / 2,685,676.91-4,028,649.16-766,872.77

Finding the Fourth Proportional to 2,685,676.91, 4,028,649.16 and 766,872.77

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Solution

The fourth proportional to 2,685,676.91, 4,028,649.16 and 766,872.77 is: 1,150,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,676.91 : 4,028,649.16 = 766,872.77 : x
  2. Step 2: Convert to fraction form
    2,685,676.91/4,028,649.16 = 766,872.77/x
  3. Step 3: Cross multiply
    2,685,676.91x = 4,028,649.16 × 766,872.77
  4. Step 4: Simplify right side
    2,685,676.91x = 3,089,461,320,064.83
  5. Step 5: Solve for x
    x = 3,089,461,320,064.83/2,685,676.91
  6. Step 6: Final answer
    x = 1,150,347.35

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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.