Home / 2,076,178.20-3,114,267.30-1,289,746.20

Finding the Fourth Proportional to 2,076,178.20, 3,114,267.30 and 1,289,746.20

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Solution

The fourth proportional to 2,076,178.20, 3,114,267.30 and 1,289,746.20 is: 1,934,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,178.20 : 3,114,267.30 = 1,289,746.20 : x
  2. Step 2: Convert to fraction form
    2,076,178.20/3,114,267.30 = 1,289,746.20/x
  3. Step 3: Cross multiply
    2,076,178.20x = 3,114,267.30 × 1,289,746.20
  4. Step 4: Simplify right side
    2,076,178.20x = 4,016,614,415,959.26
  5. Step 5: Solve for x
    x = 4,016,614,415,959.26/2,076,178.20
  6. Step 6: Final answer
    x = 1,934,619.30

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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.