Home / 1,913,619.53-2,640,943.83-1,054,334.27

Finding the Fourth Proportional to 1,913,619.53, 2,640,943.83 and 1,054,334.27

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Solution

The fourth proportional to 1,913,619.53, 2,640,943.83 and 1,054,334.27 is: 1,455,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,619.53 : 2,640,943.83 = 1,054,334.27 : x
  2. Step 2: Convert to fraction form
    1,913,619.53/2,640,943.83 = 1,054,334.27/x
  3. Step 3: Cross multiply
    1,913,619.53x = 2,640,943.83 × 1,054,334.27
  4. Step 4: Simplify right side
    1,913,619.53x = 2,784,437,571,909.34
  5. Step 5: Solve for x
    x = 2,784,437,571,909.34/1,913,619.53
  6. Step 6: Final answer
    x = 1,455,063.32

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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.