Home / 2,079,894.51-2,869,990.56-1,220,141.07

Finding the Fourth Proportional to 2,079,894.51, 2,869,990.56 and 1,220,141.07

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Solution

The fourth proportional to 2,079,894.51, 2,869,990.56 and 1,220,141.07 is: 1,683,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,894.51 : 2,869,990.56 = 1,220,141.07 : x
  2. Step 2: Convert to fraction form
    2,079,894.51/2,869,990.56 = 1,220,141.07/x
  3. Step 3: Cross multiply
    2,079,894.51x = 2,869,990.56 × 1,220,141.07
  4. Step 4: Simplify right side
    2,079,894.51x = 3,501,793,352,768.30
  5. Step 5: Solve for x
    x = 3,501,793,352,768.30/2,079,894.51
  6. Step 6: Final answer
    x = 1,683,639.88

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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.