Home / 1,611,892.60-2,415,765.30-980,135.80

Finding the Fourth Proportional to 1,611,892.60, 2,415,765.30 and 980,135.80

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Solution

The fourth proportional to 1,611,892.60, 2,415,765.30 and 980,135.80 is: 1,468,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,892.60 : 2,415,765.30 = 980,135.80 : x
  2. Step 2: Convert to fraction form
    1,611,892.60/2,415,765.30 = 980,135.80/x
  3. Step 3: Cross multiply
    1,611,892.60x = 2,415,765.30 × 980,135.80
  4. Step 4: Simplify right side
    1,611,892.60x = 2,367,778,054,927.74
  5. Step 5: Solve for x
    x = 2,367,778,054,927.74/1,611,892.60
  6. Step 6: Final answer
    x = 1,468,942.82

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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.