Home / 1,913,578.99-2,640,613.66-1,054,139.25

Finding the Fourth Proportional to 1,913,578.99, 2,640,613.66 and 1,054,139.25

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Solution

The fourth proportional to 1,913,578.99, 2,640,613.66 and 1,054,139.25 is: 1,454,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,578.99 : 2,640,613.66 = 1,054,139.25 : x
  2. Step 2: Convert to fraction form
    1,913,578.99/2,640,613.66 = 1,054,139.25/x
  3. Step 3: Cross multiply
    1,913,578.99x = 2,640,613.66 × 1,054,139.25
  4. Step 4: Simplify right side
    1,913,578.99x = 2,783,574,503,092.16
  5. Step 5: Solve for x
    x = 2,783,574,503,092.16/1,913,578.99
  6. Step 6: Final answer
    x = 1,454,643.12

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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.