Home / 2,071,402.74-2,857,762.26-2,068,209.45

Finding the Fourth Proportional to 2,071,402.74, 2,857,762.26 and 2,068,209.45

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Solution

The fourth proportional to 2,071,402.74, 2,857,762.26 and 2,068,209.45 is: 2,853,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,402.74 : 2,857,762.26 = 2,068,209.45 : x
  2. Step 2: Convert to fraction form
    2,071,402.74/2,857,762.26 = 2,068,209.45/x
  3. Step 3: Cross multiply
    2,071,402.74x = 2,857,762.26 × 2,068,209.45
  4. Step 4: Simplify right side
    2,071,402.74x = 5,910,450,911,985.36
  5. Step 5: Solve for x
    x = 5,910,450,911,985.36/2,071,402.74
  6. Step 6: Final answer
    x = 2,853,356.71

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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.