Home / 2,079,011.78-2,869,083.33-1,220,191.46

Finding the Fourth Proportional to 2,079,011.78, 2,869,083.33 and 1,220,191.46

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Solution

The fourth proportional to 2,079,011.78, 2,869,083.33 and 1,220,191.46 is: 1,683,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,011.78 : 2,869,083.33 = 1,220,191.46 : x
  2. Step 2: Convert to fraction form
    2,079,011.78/2,869,083.33 = 1,220,191.46/x
  3. Step 3: Cross multiply
    2,079,011.78x = 2,869,083.33 × 1,220,191.46
  4. Step 4: Simplify right side
    2,079,011.78x = 3,500,830,977,294.36
  5. Step 5: Solve for x
    x = 3,500,830,977,294.36/2,079,011.78
  6. Step 6: Final answer
    x = 1,683,891.84

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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.