Home / 3,728,980.19-5,145,941.72-2,097,387.06

Finding the Fourth Proportional to 3,728,980.19, 5,145,941.72 and 2,097,387.06

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Solution

The fourth proportional to 3,728,980.19, 5,145,941.72 and 2,097,387.06 is: 2,894,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,980.19 : 5,145,941.72 = 2,097,387.06 : x
  2. Step 2: Convert to fraction form
    3,728,980.19/5,145,941.72 = 2,097,387.06/x
  3. Step 3: Cross multiply
    3,728,980.19x = 5,145,941.72 × 2,097,387.06
  4. Step 4: Simplify right side
    3,728,980.19x = 10,793,031,580,285.61
  5. Step 5: Solve for x
    x = 10,793,031,580,285.61/3,728,980.19
  6. Step 6: Final answer
    x = 2,894,365.50

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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.