Home / 2,621,459.75-3,932,329.77-824,483.36

Finding the Fourth Proportional to 2,621,459.75, 3,932,329.77 and 824,483.36

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Solution

The fourth proportional to 2,621,459.75, 3,932,329.77 and 824,483.36 is: 1,236,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,459.75 : 3,932,329.77 = 824,483.36 : x
  2. Step 2: Convert to fraction form
    2,621,459.75/3,932,329.77 = 824,483.36/x
  3. Step 3: Cross multiply
    2,621,459.75x = 3,932,329.77 × 824,483.36
  4. Step 4: Simplify right side
    2,621,459.75x = 3,242,140,441,735.98
  5. Step 5: Solve for x
    x = 3,242,140,441,735.98/2,621,459.75
  6. Step 6: Final answer
    x = 1,236,769.11

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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.