Home / 3,828,505.95-5,283,270.08-2,086,187.65

Finding the Fourth Proportional to 3,828,505.95, 5,283,270.08 and 2,086,187.65

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Solution

The fourth proportional to 3,828,505.95, 5,283,270.08 and 2,086,187.65 is: 2,878,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,505.95 : 5,283,270.08 = 2,086,187.65 : x
  2. Step 2: Convert to fraction form
    3,828,505.95/5,283,270.08 = 2,086,187.65/x
  3. Step 3: Cross multiply
    3,828,505.95x = 5,283,270.08 × 2,086,187.65
  4. Step 4: Simplify right side
    3,828,505.95x = 11,021,892,792,510.51
  5. Step 5: Solve for x
    x = 11,021,892,792,510.51/3,828,505.95
  6. Step 6: Final answer
    x = 2,878,901.83

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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.