Home / 1,977,766.20-2,961,983.70-1,343,244.60

Finding the Fourth Proportional to 1,977,766.20, 2,961,983.70 and 1,343,244.60

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Solution

The fourth proportional to 1,977,766.20, 2,961,983.70 and 1,343,244.60 is: 2,011,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,766.20 : 2,961,983.70 = 1,343,244.60 : x
  2. Step 2: Convert to fraction form
    1,977,766.20/2,961,983.70 = 1,343,244.60/x
  3. Step 3: Cross multiply
    1,977,766.20x = 2,961,983.70 × 1,343,244.60
  4. Step 4: Simplify right side
    1,977,766.20x = 3,978,668,610,313.02
  5. Step 5: Solve for x
    x = 3,978,668,610,313.02/1,977,766.20
  6. Step 6: Final answer
    x = 2,011,698.15

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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.