Home / 1,970,622.38-2,719,457.69-1,065,204.38

Finding the Fourth Proportional to 1,970,622.38, 2,719,457.69 and 1,065,204.38

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Solution

The fourth proportional to 1,970,622.38, 2,719,457.69 and 1,065,204.38 is: 1,469,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,622.38 : 2,719,457.69 = 1,065,204.38 : x
  2. Step 2: Convert to fraction form
    1,970,622.38/2,719,457.69 = 1,065,204.38/x
  3. Step 3: Cross multiply
    1,970,622.38x = 2,719,457.69 × 1,065,204.38
  4. Step 4: Simplify right side
    1,970,622.38x = 2,896,778,244,085.31
  5. Step 5: Solve for x
    x = 2,896,778,244,085.31/1,970,622.38
  6. Step 6: Final answer
    x = 1,469,981.40

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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.