Home / 1,995,911.37-2,754,358.83-1,078,140.51

Finding the Fourth Proportional to 1,995,911.37, 2,754,358.83 and 1,078,140.51

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Solution

The fourth proportional to 1,995,911.37, 2,754,358.83 and 1,078,140.51 is: 1,487,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,911.37 : 2,754,358.83 = 1,078,140.51 : x
  2. Step 2: Convert to fraction form
    1,995,911.37/2,754,358.83 = 1,078,140.51/x
  3. Step 3: Cross multiply
    1,995,911.37x = 2,754,358.83 × 1,078,140.51
  4. Step 4: Simplify right side
    1,995,911.37x = 2,969,585,833,699.20
  5. Step 5: Solve for x
    x = 2,969,585,833,699.20/1,995,911.37
  6. Step 6: Final answer
    x = 1,487,834.52

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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.