Home / 2,079,030.54-2,869,109.20-1,220,210.22

Finding the Fourth Proportional to 2,079,030.54, 2,869,109.20 and 1,220,210.22

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Solution

The fourth proportional to 2,079,030.54, 2,869,109.20 and 1,220,210.22 is: 1,683,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,030.54 : 2,869,109.20 = 1,220,210.22 : x
  2. Step 2: Convert to fraction form
    2,079,030.54/2,869,109.20 = 1,220,210.22/x
  3. Step 3: Cross multiply
    2,079,030.54x = 2,869,109.20 × 1,220,210.22
  4. Step 4: Simplify right side
    2,079,030.54x = 3,500,916,368,136.02
  5. Step 5: Solve for x
    x = 3,500,916,368,136.02/2,079,030.54
  6. Step 6: Final answer
    x = 1,683,917.72

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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.