Home / 1,929,410.16-2,880,063.06-1,787,109.36

Finding the Fourth Proportional to 1,929,410.16, 2,880,063.06 and 1,787,109.36

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Solution

The fourth proportional to 1,929,410.16, 2,880,063.06 and 1,787,109.36 is: 2,667,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,410.16 : 2,880,063.06 = 1,787,109.36 : x
  2. Step 2: Convert to fraction form
    1,929,410.16/2,880,063.06 = 1,787,109.36/x
  3. Step 3: Cross multiply
    1,929,410.16x = 2,880,063.06 × 1,787,109.36
  4. Step 4: Simplify right side
    1,929,410.16x = 5,146,987,651,916.24
  5. Step 5: Solve for x
    x = 5,146,987,651,916.24/1,929,410.16
  6. Step 6: Final answer
    x = 2,667,648.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.