Home / 1,896,469.89-2,617,210.89-1,069,821.15

Finding the Fourth Proportional to 1,896,469.89, 2,617,210.89 and 1,069,821.15

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Solution

The fourth proportional to 1,896,469.89, 2,617,210.89 and 1,069,821.15 is: 1,476,399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,469.89 : 2,617,210.89 = 1,069,821.15 : x
  2. Step 2: Convert to fraction form
    1,896,469.89/2,617,210.89 = 1,069,821.15/x
  3. Step 3: Cross multiply
    1,896,469.89x = 2,617,210.89 × 1,069,821.15
  4. Step 4: Simplify right side
    1,896,469.89x = 2,799,947,564,132.32
  5. Step 5: Solve for x
    x = 2,799,947,564,132.32/1,896,469.89
  6. Step 6: Final answer
    x = 1,476,399.69

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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.