Home / 2,945,307.80-4,064,454.78-1,926,690.68

Finding the Fourth Proportional to 2,945,307.80, 4,064,454.78 and 1,926,690.68

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Solution

The fourth proportional to 2,945,307.80, 4,064,454.78 and 1,926,690.68 is: 2,658,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,307.80 : 4,064,454.78 = 1,926,690.68 : x
  2. Step 2: Convert to fraction form
    2,945,307.80/4,064,454.78 = 1,926,690.68/x
  3. Step 3: Cross multiply
    2,945,307.80x = 4,064,454.78 × 1,926,690.68
  4. Step 4: Simplify right side
    2,945,307.80x = 7,830,947,143,907.45
  5. Step 5: Solve for x
    x = 7,830,947,143,907.45/2,945,307.80
  6. Step 6: Final answer
    x = 2,658,787.36

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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.