Home / 1,872,003.80-2,808,005.70-1,798,520.60

Finding the Fourth Proportional to 1,872,003.80, 2,808,005.70 and 1,798,520.60

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Solution

The fourth proportional to 1,872,003.80, 2,808,005.70 and 1,798,520.60 is: 2,697,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,003.80 : 2,808,005.70 = 1,798,520.60 : x
  2. Step 2: Convert to fraction form
    1,872,003.80/2,808,005.70 = 1,798,520.60/x
  3. Step 3: Cross multiply
    1,872,003.80x = 2,808,005.70 × 1,798,520.60
  4. Step 4: Simplify right side
    1,872,003.80x = 5,050,256,096,367.42
  5. Step 5: Solve for x
    x = 5,050,256,096,367.42/1,872,003.80
  6. Step 6: Final answer
    x = 2,697,780.90

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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.