Home / 4,785,135.40-7,181,619.90-4,747,810.60

Finding the Fourth Proportional to 4,785,135.40, 7,181,619.90 and 4,747,810.60

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Solution

The fourth proportional to 4,785,135.40, 7,181,619.90 and 4,747,810.60 is: 7,125,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,135.40 : 7,181,619.90 = 4,747,810.60 : x
  2. Step 2: Convert to fraction form
    4,785,135.40/7,181,619.90 = 4,747,810.60/x
  3. Step 3: Cross multiply
    4,785,135.40x = 7,181,619.90 × 4,747,810.60
  4. Step 4: Simplify right side
    4,785,135.40x = 34,096,971,086,390.94
  5. Step 5: Solve for x
    x = 34,096,971,086,390.94/4,785,135.40
  6. Step 6: Final answer
    x = 7,125,602.15

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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.