Home / 5,209,108.39-7,813,957.83-1,615,386.25

Finding the Fourth Proportional to 5,209,108.39, 7,813,957.83 and 1,615,386.25

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Solution

The fourth proportional to 5,209,108.39, 7,813,957.83 and 1,615,386.25 is: 2,423,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,108.39 : 7,813,957.83 = 1,615,386.25 : x
  2. Step 2: Convert to fraction form
    5,209,108.39/7,813,957.83 = 1,615,386.25/x
  3. Step 3: Cross multiply
    5,209,108.39x = 7,813,957.83 × 1,615,386.25
  4. Step 4: Simplify right side
    5,209,108.39x = 12,622,560,028,584.91
  5. Step 5: Solve for x
    x = 12,622,560,028,584.91/5,209,108.39
  6. Step 6: Final answer
    x = 2,423,170.93

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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.