Home / 1,913,588.11-2,640,626.26-1,054,148.38

Finding the Fourth Proportional to 1,913,588.11, 2,640,626.26 and 1,054,148.38

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Solution

The fourth proportional to 1,913,588.11, 2,640,626.26 and 1,054,148.38 is: 1,454,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,588.11 : 2,640,626.26 = 1,054,148.38 : x
  2. Step 2: Convert to fraction form
    1,913,588.11/2,640,626.26 = 1,054,148.38/x
  3. Step 3: Cross multiply
    1,913,588.11x = 2,640,626.26 × 1,054,148.38
  4. Step 4: Simplify right side
    1,913,588.11x = 2,783,611,884,927.52
  5. Step 5: Solve for x
    x = 2,783,611,884,927.52/1,913,588.11
  6. Step 6: Final answer
    x = 1,454,655.72

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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.