Home / 1,728,013.40-2,588,909.70-1,410,752.60

Finding the Fourth Proportional to 1,728,013.40, 2,588,909.70 and 1,410,752.60

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Solution

The fourth proportional to 1,728,013.40, 2,588,909.70 and 1,410,752.60 is: 2,113,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,013.40 : 2,588,909.70 = 1,410,752.60 : x
  2. Step 2: Convert to fraction form
    1,728,013.40/2,588,909.70 = 1,410,752.60/x
  3. Step 3: Cross multiply
    1,728,013.40x = 2,588,909.70 × 1,410,752.60
  4. Step 4: Simplify right side
    1,728,013.40x = 3,652,311,090,440.22
  5. Step 5: Solve for x
    x = 3,652,311,090,440.22/1,728,013.40
  6. Step 6: Final answer
    x = 2,113,589.57

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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.