Home / 3,558,686.70-5,338,030.05-1,639,594.20

Finding the Fourth Proportional to 3,558,686.70, 5,338,030.05 and 1,639,594.20

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Solution

The fourth proportional to 3,558,686.70, 5,338,030.05 and 1,639,594.20 is: 2,459,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558,686.70 : 5,338,030.05 = 1,639,594.20 : x
  2. Step 2: Convert to fraction form
    3,558,686.70/5,338,030.05 = 1,639,594.20/x
  3. Step 3: Cross multiply
    3,558,686.70x = 5,338,030.05 × 1,639,594.20
  4. Step 4: Simplify right side
    3,558,686.70x = 8,752,203,109,405.71
  5. Step 5: Solve for x
    x = 8,752,203,109,405.71/3,558,686.70
  6. Step 6: Final answer
    x = 2,459,391.30

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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.