Home / 1,937,662.60-2,903,729.10-1,428,248.20

Finding the Fourth Proportional to 1,937,662.60, 2,903,729.10 and 1,428,248.20

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Solution

The fourth proportional to 1,937,662.60, 2,903,729.10 and 1,428,248.20 is: 2,140,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,662.60 : 2,903,729.10 = 1,428,248.20 : x
  2. Step 2: Convert to fraction form
    1,937,662.60/2,903,729.10 = 1,428,248.20/x
  3. Step 3: Cross multiply
    1,937,662.60x = 2,903,729.10 × 1,428,248.20
  4. Step 4: Simplify right side
    1,937,662.60x = 4,147,245,860,362.62
  5. Step 5: Solve for x
    x = 4,147,245,860,362.62/1,937,662.60
  6. Step 6: Final answer
    x = 2,140,334.37

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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.