Home / 7,121,033.40-10,681,550.24-1,729,647.50

Finding the Fourth Proportional to 7,121,033.40, 10,681,550.24 and 1,729,647.50

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Solution

The fourth proportional to 7,121,033.40, 10,681,550.24 and 1,729,647.50 is: 2,594,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,033.40 : 10,681,550.24 = 1,729,647.50 : x
  2. Step 2: Convert to fraction form
    7,121,033.40/10,681,550.24 = 1,729,647.50/x
  3. Step 3: Cross multiply
    7,121,033.40x = 10,681,550.24 × 1,729,647.50
  4. Step 4: Simplify right side
    7,121,033.40x = 18,475,316,606,684.41
  5. Step 5: Solve for x
    x = 18,475,316,606,684.41/7,121,033.40
  6. Step 6: Final answer
    x = 2,594,471.28

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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.