Home / 1,899,176.87-2,621,195.36-1,125,243.45

Finding the Fourth Proportional to 1,899,176.87, 2,621,195.36 and 1,125,243.45

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Solution

The fourth proportional to 1,899,176.87, 2,621,195.36 and 1,125,243.45 is: 1,553,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,176.87 : 2,621,195.36 = 1,125,243.45 : x
  2. Step 2: Convert to fraction form
    1,899,176.87/2,621,195.36 = 1,125,243.45/x
  3. Step 3: Cross multiply
    1,899,176.87x = 2,621,195.36 × 1,125,243.45
  4. Step 4: Simplify right side
    1,899,176.87x = 2,949,482,913,611.55
  5. Step 5: Solve for x
    x = 2,949,482,913,611.55/1,899,176.87
  6. Step 6: Final answer
    x = 1,553,032.24

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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.