Home / 6,174,139.80-9,261,209.70-1,686,415.80

Finding the Fourth Proportional to 6,174,139.80, 9,261,209.70 and 1,686,415.80

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Solution

The fourth proportional to 6,174,139.80, 9,261,209.70 and 1,686,415.80 is: 2,529,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174,139.80 : 9,261,209.70 = 1,686,415.80 : x
  2. Step 2: Convert to fraction form
    6,174,139.80/9,261,209.70 = 1,686,415.80/x
  3. Step 3: Cross multiply
    6,174,139.80x = 9,261,209.70 × 1,686,415.80
  4. Step 4: Simplify right side
    6,174,139.80x = 15,618,250,365,193.26
  5. Step 5: Solve for x
    x = 15,618,250,365,193.26/6,174,139.80
  6. Step 6: Final answer
    x = 2,529,623.70

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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.