Home / 5,209,131.14-7,813,991.94-1,615,409.00

Finding the Fourth Proportional to 5,209,131.14, 7,813,991.94 and 1,615,409.00

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Solution

The fourth proportional to 5,209,131.14, 7,813,991.94 and 1,615,409.00 is: 2,423,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,131.14 : 7,813,991.94 = 1,615,409.00 : x
  2. Step 2: Convert to fraction form
    5,209,131.14/7,813,991.94 = 1,615,409.00/x
  3. Step 3: Cross multiply
    5,209,131.14x = 7,813,991.94 × 1,615,409.00
  4. Step 4: Simplify right side
    5,209,131.14x = 12,622,792,889,978.19
  5. Step 5: Solve for x
    x = 12,622,792,889,978.19/5,209,131.14
  6. Step 6: Final answer
    x = 2,423,205.05

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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.