Home / 2,978,401.60-4,467,602.40-1,181,713.60

Finding the Fourth Proportional to 2,978,401.60, 4,467,602.40 and 1,181,713.60

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Solution

The fourth proportional to 2,978,401.60, 4,467,602.40 and 1,181,713.60 is: 1,772,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,401.60 : 4,467,602.40 = 1,181,713.60 : x
  2. Step 2: Convert to fraction form
    2,978,401.60/4,467,602.40 = 1,181,713.60/x
  3. Step 3: Cross multiply
    2,978,401.60x = 4,467,602.40 × 1,181,713.60
  4. Step 4: Simplify right side
    2,978,401.60x = 5,279,426,515,472.64
  5. Step 5: Solve for x
    x = 5,279,426,515,472.64/2,978,401.60
  6. Step 6: Final answer
    x = 1,772,570.40

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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.