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Finding the Fourth Proportional to 2,896,495, 4,344,955.74 and 766,564.78

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Solution

The fourth proportional to 2,896,495, 4,344,955.74 and 766,564.78 is: 1,149,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,495 : 4,344,955.74 = 766,564.78 : x
  2. Step 2: Convert to fraction form
    2,896,495/4,344,955.74 = 766,564.78/x
  3. Step 3: Cross multiply
    2,896,495x = 4,344,955.74 × 766,564.78
  4. Step 4: Simplify right side
    2,896,495x = 3,330,690,040,942.84
  5. Step 5: Solve for x
    x = 3,330,690,040,942.84/2,896,495
  6. Step 6: Final answer
    x = 1,149,903.60

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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.