Home / 1,476,340.20-2,214,510.30-1,289,716.20

Finding the Fourth Proportional to 1,476,340.20, 2,214,510.30 and 1,289,716.20

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Solution

The fourth proportional to 1,476,340.20, 2,214,510.30 and 1,289,716.20 is: 1,934,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,340.20 : 2,214,510.30 = 1,289,716.20 : x
  2. Step 2: Convert to fraction form
    1,476,340.20/2,214,510.30 = 1,289,716.20/x
  3. Step 3: Cross multiply
    1,476,340.20x = 2,214,510.30 × 1,289,716.20
  4. Step 4: Simplify right side
    1,476,340.20x = 2,856,089,808,976.86
  5. Step 5: Solve for x
    x = 2,856,089,808,976.86/1,476,340.20
  6. Step 6: Final answer
    x = 1,934,574.30

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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.