Home / 2,775,026.40-4,159,774.80-1,276,504.80

Finding the Fourth Proportional to 2,775,026.40, 4,159,774.80 and 1,276,504.80

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Solution

The fourth proportional to 2,775,026.40, 4,159,774.80 and 1,276,504.80 is: 1,913,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,026.40 : 4,159,774.80 = 1,276,504.80 : x
  2. Step 2: Convert to fraction form
    2,775,026.40/4,159,774.80 = 1,276,504.80/x
  3. Step 3: Cross multiply
    2,775,026.40x = 4,159,774.80 × 1,276,504.80
  4. Step 4: Simplify right side
    2,775,026.40x = 5,309,972,499,119.04
  5. Step 5: Solve for x
    x = 5,309,972,499,119.04/2,775,026.40
  6. Step 6: Final answer
    x = 1,913,485.40

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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.