Home / 3,105,190.80-4,657,786.20-975,490.20

Finding the Fourth Proportional to 3,105,190.80, 4,657,786.20 and 975,490.20

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Solution

The fourth proportional to 3,105,190.80, 4,657,786.20 and 975,490.20 is: 1,463,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,190.80 : 4,657,786.20 = 975,490.20 : x
  2. Step 2: Convert to fraction form
    3,105,190.80/4,657,786.20 = 975,490.20/x
  3. Step 3: Cross multiply
    3,105,190.80x = 4,657,786.20 × 975,490.20
  4. Step 4: Simplify right side
    3,105,190.80x = 4,543,624,791,795.24
  5. Step 5: Solve for x
    x = 4,543,624,791,795.24/3,105,190.80
  6. Step 6: Final answer
    x = 1,463,235.30

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Double scale
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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.