Home / 1,384,388.20-2,076,582.30-1,324,167.40

Finding the Fourth Proportional to 1,384,388.20, 2,076,582.30 and 1,324,167.40

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Solution

The fourth proportional to 1,384,388.20, 2,076,582.30 and 1,324,167.40 is: 1,986,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,388.20 : 2,076,582.30 = 1,324,167.40 : x
  2. Step 2: Convert to fraction form
    1,384,388.20/2,076,582.30 = 1,324,167.40/x
  3. Step 3: Cross multiply
    1,384,388.20x = 2,076,582.30 × 1,324,167.40
  4. Step 4: Simplify right side
    1,384,388.20x = 2,749,742,585,077.02
  5. Step 5: Solve for x
    x = 2,749,742,585,077.02/1,384,388.20
  6. Step 6: Final answer
    x = 1,986,251.10

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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.