Home / 2,051,990.82-2,831,697.90-1,121,657.22

Finding the Fourth Proportional to 2,051,990.82, 2,831,697.90 and 1,121,657.22

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Solution

The fourth proportional to 2,051,990.82, 2,831,697.90 and 1,121,657.22 is: 1,547,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,990.82 : 2,831,697.90 = 1,121,657.22 : x
  2. Step 2: Convert to fraction form
    2,051,990.82/2,831,697.90 = 1,121,657.22/x
  3. Step 3: Cross multiply
    2,051,990.82x = 2,831,697.90 × 1,121,657.22
  4. Step 4: Simplify right side
    2,051,990.82x = 3,176,194,394,393.84
  5. Step 5: Solve for x
    x = 3,176,194,394,393.84/2,051,990.82
  6. Step 6: Final answer
    x = 1,547,859.94

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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.