Home / 7,074,057-9,761,739.39-4,172,782.80

Finding the Fourth Proportional to 7,074,057, 9,761,739.39 and 4,172,782.80

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Solution

The fourth proportional to 7,074,057, 9,761,739.39 and 4,172,782.80 is: 5,758,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074,057 : 9,761,739.39 = 4,172,782.80 : x
  2. Step 2: Convert to fraction form
    7,074,057/9,761,739.39 = 4,172,782.80/x
  3. Step 3: Cross multiply
    7,074,057x = 9,761,739.39 × 4,172,782.80
  4. Step 4: Simplify right side
    7,074,057x = 40,733,618,224,674.49
  5. Step 5: Solve for x
    x = 40,733,618,224,674.49/7,074,057
  6. Step 6: Final answer
    x = 5,758,169.35

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1.5x scale

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.