Home / 1,738,282.40-2,604,313.20-1,421,021.60

Finding the Fourth Proportional to 1,738,282.40, 2,604,313.20 and 1,421,021.60

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Solution

The fourth proportional to 1,738,282.40, 2,604,313.20 and 1,421,021.60 is: 2,128,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,282.40 : 2,604,313.20 = 1,421,021.60 : x
  2. Step 2: Convert to fraction form
    1,738,282.40/2,604,313.20 = 1,421,021.60/x
  3. Step 3: Cross multiply
    1,738,282.40x = 2,604,313.20 × 1,421,021.60
  4. Step 4: Simplify right side
    1,738,282.40x = 3,700,785,310,365.12
  5. Step 5: Solve for x
    x = 3,700,785,310,365.12/1,738,282.40
  6. Step 6: Final answer
    x = 2,128,989.69

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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.