Home / 2,076,178.70-3,114,268.05-1,289,746.70

Finding the Fourth Proportional to 2,076,178.70, 3,114,268.05 and 1,289,746.70

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Solution

The fourth proportional to 2,076,178.70, 3,114,268.05 and 1,289,746.70 is: 1,934,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,178.70 : 3,114,268.05 = 1,289,746.70 : x
  2. Step 2: Convert to fraction form
    2,076,178.70/3,114,268.05 = 1,289,746.70/x
  3. Step 3: Cross multiply
    2,076,178.70x = 3,114,268.05 × 1,289,746.70
  4. Step 4: Simplify right side
    2,076,178.70x = 4,016,616,940,402.93
  5. Step 5: Solve for x
    x = 4,016,616,940,402.93/2,076,178.70
  6. Step 6: Final answer
    x = 1,934,620.05

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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.