Home / 3,507,580.80-5,260,982.40-983,491.20

Finding the Fourth Proportional to 3,507,580.80, 5,260,982.40 and 983,491.20

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Solution

The fourth proportional to 3,507,580.80, 5,260,982.40 and 983,491.20 is: 1,475,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,580.80 : 5,260,982.40 = 983,491.20 : x
  2. Step 2: Convert to fraction form
    3,507,580.80/5,260,982.40 = 983,491.20/x
  3. Step 3: Cross multiply
    3,507,580.80x = 5,260,982.40 × 983,491.20
  4. Step 4: Simplify right side
    3,507,580.80x = 5,174,129,893,754.88
  5. Step 5: Solve for x
    x = 5,174,129,893,754.88/3,507,580.80
  6. Step 6: Final answer
    x = 1,475,127.78

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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.