Home / 2,881,276.86-3,976,908.96-1,657,707.72

Finding the Fourth Proportional to 2,881,276.86, 3,976,908.96 and 1,657,707.72

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Solution

The fourth proportional to 2,881,276.86, 3,976,908.96 and 1,657,707.72 is: 2,288,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,276.86 : 3,976,908.96 = 1,657,707.72 : x
  2. Step 2: Convert to fraction form
    2,881,276.86/3,976,908.96 = 1,657,707.72/x
  3. Step 3: Cross multiply
    2,881,276.86x = 3,976,908.96 × 1,657,707.72
  4. Step 4: Simplify right side
    2,881,276.86x = 6,592,552,684,729.17
  5. Step 5: Solve for x
    x = 6,592,552,684,729.17/2,881,276.86
  6. Step 6: Final answer
    x = 2,288,066.37

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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.