Home / 2,076,138.30-3,114,207.45-1,908,176.70

Finding the Fourth Proportional to 2,076,138.30, 3,114,207.45 and 1,908,176.70

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Solution

The fourth proportional to 2,076,138.30, 3,114,207.45 and 1,908,176.70 is: 2,862,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,138.30 : 3,114,207.45 = 1,908,176.70 : x
  2. Step 2: Convert to fraction form
    2,076,138.30/3,114,207.45 = 1,908,176.70/x
  3. Step 3: Cross multiply
    2,076,138.30x = 3,114,207.45 × 1,908,176.70
  4. Step 4: Simplify right side
    2,076,138.30x = 5,942,458,095,056.42
  5. Step 5: Solve for x
    x = 5,942,458,095,056.42/2,076,138.30
  6. Step 6: Final answer
    x = 2,862,265.05

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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.