Home / 3,507,167.30-4,839,371.93-2,129,794.70

Finding the Fourth Proportional to 3,507,167.30, 4,839,371.93 and 2,129,794.70

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Solution

The fourth proportional to 3,507,167.30, 4,839,371.93 and 2,129,794.70 is: 2,938,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,167.30 : 4,839,371.93 = 2,129,794.70 : x
  2. Step 2: Convert to fraction form
    3,507,167.30/4,839,371.93 = 2,129,794.70/x
  3. Step 3: Cross multiply
    3,507,167.30x = 4,839,371.93 × 2,129,794.70
  4. Step 4: Simplify right side
    3,507,167.30x = 10,306,868,668,970.40
  5. Step 5: Solve for x
    x = 10,306,868,668,970.40/3,507,167.30
  6. Step 6: Final answer
    x = 2,938,801.55

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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.