Home / 2,141,172.57-2,955,005.02-1,174,489.70

Finding the Fourth Proportional to 2,141,172.57, 2,955,005.02 and 1,174,489.70

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Solution

The fourth proportional to 2,141,172.57, 2,955,005.02 and 1,174,489.70 is: 1,620,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,172.57 : 2,955,005.02 = 1,174,489.70 : x
  2. Step 2: Convert to fraction form
    2,141,172.57/2,955,005.02 = 1,174,489.70/x
  3. Step 3: Cross multiply
    2,141,172.57x = 2,955,005.02 × 1,174,489.70
  4. Step 4: Simplify right side
    2,141,172.57x = 3,470,622,946,131.38
  5. Step 5: Solve for x
    x = 3,470,622,946,131.38/2,141,172.57
  6. Step 6: Final answer
    x = 1,620,898.29

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1.5x scale

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.