Home / 1,738,247.40-2,604,260.70-1,420,986.60

Finding the Fourth Proportional to 1,738,247.40, 2,604,260.70 and 1,420,986.60

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Solution

The fourth proportional to 1,738,247.40, 2,604,260.70 and 1,420,986.60 is: 2,128,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,247.40 : 2,604,260.70 = 1,420,986.60 : x
  2. Step 2: Convert to fraction form
    1,738,247.40/2,604,260.70 = 1,420,986.60/x
  3. Step 3: Cross multiply
    1,738,247.40x = 2,604,260.70 × 1,420,986.60
  4. Step 4: Simplify right side
    1,738,247.40x = 3,700,619,557,606.62
  5. Step 5: Solve for x
    x = 3,700,619,557,606.62/1,738,247.40
  6. Step 6: Final answer
    x = 2,128,937.20

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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.