Home / 1,995,911.18-2,754,358.57-1,078,140.32

Finding the Fourth Proportional to 1,995,911.18, 2,754,358.57 and 1,078,140.32

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Solution

The fourth proportional to 1,995,911.18, 2,754,358.57 and 1,078,140.32 is: 1,487,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,911.18 : 2,754,358.57 = 1,078,140.32 : x
  2. Step 2: Convert to fraction form
    1,995,911.18/2,754,358.57 = 1,078,140.32/x
  3. Step 3: Cross multiply
    1,995,911.18x = 2,754,358.57 × 1,078,140.32
  4. Step 4: Simplify right side
    1,995,911.18x = 2,969,585,038,288.11
  5. Step 5: Solve for x
    x = 2,969,585,038,288.11/1,995,911.18
  6. Step 6: Final answer
    x = 1,487,834.26

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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.