Home / 1,913,215.50-2,640,237.39-1,108,866.06

Finding the Fourth Proportional to 1,913,215.50, 2,640,237.39 and 1,108,866.06

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Solution

The fourth proportional to 1,913,215.50, 2,640,237.39 and 1,108,866.06 is: 1,530,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,215.50 : 2,640,237.39 = 1,108,866.06 : x
  2. Step 2: Convert to fraction form
    1,913,215.50/2,640,237.39 = 1,108,866.06/x
  3. Step 3: Cross multiply
    1,913,215.50x = 2,640,237.39 × 1,108,866.06
  4. Step 4: Simplify right side
    1,913,215.50x = 2,927,669,632,113.98
  5. Step 5: Solve for x
    x = 2,927,669,632,113.98/1,913,215.50
  6. Step 6: Final answer
    x = 1,530,235.16

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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.