Home / 1,977,809.28-2,729,262.24-1,118,549.76

Finding the Fourth Proportional to 1,977,809.28, 2,729,262.24 and 1,118,549.76

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Solution

The fourth proportional to 1,977,809.28, 2,729,262.24 and 1,118,549.76 is: 1,543,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,809.28 : 2,729,262.24 = 1,118,549.76 : x
  2. Step 2: Convert to fraction form
    1,977,809.28/2,729,262.24 = 1,118,549.76/x
  3. Step 3: Cross multiply
    1,977,809.28x = 2,729,262.24 × 1,118,549.76
  4. Step 4: Simplify right side
    1,977,809.28x = 3,052,815,623,529.06
  5. Step 5: Solve for x
    x = 3,052,815,623,529.06/1,977,809.28
  6. Step 6: Final answer
    x = 1,543,533.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.