Home / 2,685,690.40-4,028,535.60-2,076,829.60

Finding the Fourth Proportional to 2,685,690.40, 4,028,535.60 and 2,076,829.60

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Solution

The fourth proportional to 2,685,690.40, 4,028,535.60 and 2,076,829.60 is: 3,115,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,690.40 : 4,028,535.60 = 2,076,829.60 : x
  2. Step 2: Convert to fraction form
    2,685,690.40/4,028,535.60 = 2,076,829.60/x
  3. Step 3: Cross multiply
    2,685,690.40x = 4,028,535.60 × 2,076,829.60
  4. Step 4: Simplify right side
    2,685,690.40x = 8,366,581,978,733.76
  5. Step 5: Solve for x
    x = 8,366,581,978,733.76/2,685,690.40
  6. Step 6: Final answer
    x = 3,115,244.40

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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.