Home / 2,819,476.25-3,890,828.40-1,530,288.95

Finding the Fourth Proportional to 2,819,476.25, 3,890,828.40 and 1,530,288.95

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Solution

The fourth proportional to 2,819,476.25, 3,890,828.40 and 1,530,288.95 is: 2,111,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,476.25 : 3,890,828.40 = 1,530,288.95 : x
  2. Step 2: Convert to fraction form
    2,819,476.25/3,890,828.40 = 1,530,288.95/x
  3. Step 3: Cross multiply
    2,819,476.25x = 3,890,828.40 × 1,530,288.95
  4. Step 4: Simplify right side
    2,819,476.25x = 5,954,091,706,866.18
  5. Step 5: Solve for x
    x = 5,954,091,706,866.18/2,819,476.25
  6. Step 6: Final answer
    x = 2,111,772.25

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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.