Home / 1,983,153.53-2,718,928.64-1,947,281.27

Finding the Fourth Proportional to 1,983,153.53, 2,718,928.64 and 1,947,281.27

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Solution

The fourth proportional to 1,983,153.53, 2,718,928.64 and 1,947,281.27 is: 2,669,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,153.53 : 2,718,928.64 = 1,947,281.27 : x
  2. Step 2: Convert to fraction form
    1,983,153.53/2,718,928.64 = 1,947,281.27/x
  3. Step 3: Cross multiply
    1,983,153.53x = 2,718,928.64 × 1,947,281.27
  4. Step 4: Simplify right side
    1,983,153.53x = 5,294,518,806,412.13
  5. Step 5: Solve for x
    x = 5,294,518,806,412.13/1,983,153.53
  6. Step 6: Final answer
    x = 2,669,747.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.