Home / 1,837,128.40-2,750,777.40-1,168,661.20

Finding the Fourth Proportional to 1,837,128.40, 2,750,777.40 and 1,168,661.20

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Solution

The fourth proportional to 1,837,128.40, 2,750,777.40 and 1,168,661.20 is: 1,749,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,128.40 : 2,750,777.40 = 1,168,661.20 : x
  2. Step 2: Convert to fraction form
    1,837,128.40/2,750,777.40 = 1,168,661.20/x
  3. Step 3: Cross multiply
    1,837,128.40x = 2,750,777.40 × 1,168,661.20
  4. Step 4: Simplify right side
    1,837,128.40x = 3,214,726,817,216.88
  5. Step 5: Solve for x
    x = 3,214,726,817,216.88/1,837,128.40
  6. Step 6: Final answer
    x = 1,749,865.07

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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.