Home / 3,619,725.40-5,429,588.10-1,488,410.20

Finding the Fourth Proportional to 3,619,725.40, 5,429,588.10 and 1,488,410.20

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Solution

The fourth proportional to 3,619,725.40, 5,429,588.10 and 1,488,410.20 is: 2,232,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,725.40 : 5,429,588.10 = 1,488,410.20 : x
  2. Step 2: Convert to fraction form
    3,619,725.40/5,429,588.10 = 1,488,410.20/x
  3. Step 3: Cross multiply
    3,619,725.40x = 5,429,588.10 × 1,488,410.20
  4. Step 4: Simplify right side
    3,619,725.40x = 8,081,454,309,838.62
  5. Step 5: Solve for x
    x = 8,081,454,309,838.62/3,619,725.40
  6. Step 6: Final answer
    x = 2,232,615.30

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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.