Home / 1,932,259.20-2,898,388.80-1,219,977.60

Finding the Fourth Proportional to 1,932,259.20, 2,898,388.80 and 1,219,977.60

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Solution

The fourth proportional to 1,932,259.20, 2,898,388.80 and 1,219,977.60 is: 1,829,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,259.20 : 2,898,388.80 = 1,219,977.60 : x
  2. Step 2: Convert to fraction form
    1,932,259.20/2,898,388.80 = 1,219,977.60/x
  3. Step 3: Cross multiply
    1,932,259.20x = 2,898,388.80 × 1,219,977.60
  4. Step 4: Simplify right side
    1,932,259.20x = 3,535,969,412,090.88
  5. Step 5: Solve for x
    x = 3,535,969,412,090.88/1,932,259.20
  6. Step 6: Final answer
    x = 1,829,966.40

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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.