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Finding the Fourth Proportional to 3,640,448.00, 5,459,253.49 and 1,364,731.13

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Solution

The fourth proportional to 3,640,448.00, 5,459,253.49 and 1,364,731.13 is: 2,046,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,448.00 : 5,459,253.49 = 1,364,731.13 : x
  2. Step 2: Convert to fraction form
    3,640,448.00/5,459,253.49 = 1,364,731.13/x
  3. Step 3: Cross multiply
    3,640,448.00x = 5,459,253.49 × 1,364,731.13
  4. Step 4: Simplify right side
    3,640,448.00x = 7,450,413,199,718.19
  5. Step 5: Solve for x
    x = 7,450,413,199,718.19/3,640,448.00
  6. Step 6: Final answer
    x = 2,046,564.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.