Home / 3,454,428.74-4,767,097.76-1,905,786.70

Finding the Fourth Proportional to 3,454,428.74, 4,767,097.76 and 1,905,786.70

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Solution

The fourth proportional to 3,454,428.74, 4,767,097.76 and 1,905,786.70 is: 2,629,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454,428.74 : 4,767,097.76 = 1,905,786.70 : x
  2. Step 2: Convert to fraction form
    3,454,428.74/4,767,097.76 = 1,905,786.70/x
  3. Step 3: Cross multiply
    3,454,428.74x = 4,767,097.76 × 1,905,786.70
  4. Step 4: Simplify right side
    3,454,428.74x = 9,085,071,494,307.82
  5. Step 5: Solve for x
    x = 9,085,071,494,307.82/3,454,428.74
  6. Step 6: Final answer
    x = 2,629,977.98

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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.