Home / 2,076,157.56-2,865,134.76-1,216,961.40

Finding the Fourth Proportional to 2,076,157.56, 2,865,134.76 and 1,216,961.40

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Solution

The fourth proportional to 2,076,157.56, 2,865,134.76 and 1,216,961.40 is: 1,679,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,157.56 : 2,865,134.76 = 1,216,961.40 : x
  2. Step 2: Convert to fraction form
    2,076,157.56/2,865,134.76 = 1,216,961.40/x
  3. Step 3: Cross multiply
    2,076,157.56x = 2,865,134.76 × 1,216,961.40
  4. Step 4: Simplify right side
    2,076,157.56x = 3,486,758,408,718.26
  5. Step 5: Solve for x
    x = 3,486,758,408,718.26/2,076,157.56
  6. Step 6: Final answer
    x = 1,679,428.61

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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.