Home / 3,131,651.69-4,697,477.53-767,747.69

Finding the Fourth Proportional to 3,131,651.69, 4,697,477.53 and 767,747.69

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Solution

The fourth proportional to 3,131,651.69, 4,697,477.53 and 767,747.69 is: 1,151,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,651.69 : 4,697,477.53 = 767,747.69 : x
  2. Step 2: Convert to fraction form
    3,131,651.69/4,697,477.53 = 767,747.69/x
  3. Step 3: Cross multiply
    3,131,651.69x = 4,697,477.53 × 767,747.69
  4. Step 4: Simplify right side
    3,131,651.69x = 3,606,477,522,484.41
  5. Step 5: Solve for x
    x = 3,606,477,522,484.41/3,131,651.69
  6. Step 6: Final answer
    x = 1,151,621.53

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Similar ratio
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1.5x scale

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.