Home / 1,818,345.20-2,733,422.70-1,289,528.60

Finding the Fourth Proportional to 1,818,345.20, 2,733,422.70 and 1,289,528.60

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Solution

The fourth proportional to 1,818,345.20, 2,733,422.70 and 1,289,528.60 is: 1,938,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,345.20 : 2,733,422.70 = 1,289,528.60 : x
  2. Step 2: Convert to fraction form
    1,818,345.20/2,733,422.70 = 1,289,528.60/x
  3. Step 3: Cross multiply
    1,818,345.20x = 2,733,422.70 × 1,289,528.60
  4. Step 4: Simplify right side
    1,818,345.20x = 3,524,826,747,539.22
  5. Step 5: Solve for x
    x = 3,524,826,747,539.22/1,818,345.20
  6. Step 6: Final answer
    x = 1,938,480.52

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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.