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Finding the Fourth Proportional to 3,585,995.72, 4,948,529.95 and 1,954,368.17

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Solution

The fourth proportional to 3,585,995.72, 4,948,529.95 and 1,954,368.17 is: 2,696,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,995.72 : 4,948,529.95 = 1,954,368.17 : x
  2. Step 2: Convert to fraction form
    3,585,995.72/4,948,529.95 = 1,954,368.17/x
  3. Step 3: Cross multiply
    3,585,995.72x = 4,948,529.95 × 1,954,368.17
  4. Step 4: Simplify right side
    3,585,995.72x = 9,671,249,422,571.69
  5. Step 5: Solve for x
    x = 9,671,249,422,571.69/3,585,995.72
  6. Step 6: Final answer
    x = 2,696,949.52

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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.