Home / 4,071,661.45-5,621,074.23-3,139,332.92

Finding the Fourth Proportional to 4,071,661.45, 5,621,074.23 and 3,139,332.92

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Solution

The fourth proportional to 4,071,661.45, 5,621,074.23 and 3,139,332.92 is: 4,333,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071,661.45 : 5,621,074.23 = 3,139,332.92 : x
  2. Step 2: Convert to fraction form
    4,071,661.45/5,621,074.23 = 3,139,332.92/x
  3. Step 3: Cross multiply
    4,071,661.45x = 5,621,074.23 × 3,139,332.92
  4. Step 4: Simplify right side
    4,071,661.45x = 17,646,423,347,897.28
  5. Step 5: Solve for x
    x = 17,646,423,347,897.28/4,071,661.45
  6. Step 6: Final answer
    x = 4,333,961.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.