Home / 2,076,820.17-2,866,049.16-1,217,999.85

Finding the Fourth Proportional to 2,076,820.17, 2,866,049.16 and 1,217,999.85

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Solution

The fourth proportional to 2,076,820.17, 2,866,049.16 and 1,217,999.85 is: 1,680,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,820.17 : 2,866,049.16 = 1,217,999.85 : x
  2. Step 2: Convert to fraction form
    2,076,820.17/2,866,049.16 = 1,217,999.85/x
  3. Step 3: Cross multiply
    2,076,820.17x = 2,866,049.16 × 1,217,999.85
  4. Step 4: Simplify right side
    2,076,820.17x = 3,490,847,426,552.38
  5. Step 5: Solve for x
    x = 3,490,847,426,552.38/2,076,820.17
  6. Step 6: Final answer
    x = 1,680,861.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.