Home / 3,121,980.80-4,683,100.80-992,004.80

Finding the Fourth Proportional to 3,121,980.80, 4,683,100.80 and 992,004.80

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Solution

The fourth proportional to 3,121,980.80, 4,683,100.80 and 992,004.80 is: 1,488,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,980.80 : 4,683,100.80 = 992,004.80 : x
  2. Step 2: Convert to fraction form
    3,121,980.80/4,683,100.80 = 992,004.80/x
  3. Step 3: Cross multiply
    3,121,980.80x = 4,683,100.80 × 992,004.80
  4. Step 4: Simplify right side
    3,121,980.80x = 4,645,658,472,483.84
  5. Step 5: Solve for x
    x = 4,645,658,472,483.84/3,121,980.80
  6. Step 6: Final answer
    x = 1,488,048.38

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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.