Home / 3,849,480.72-5,312,219.04-2,130,564.60

Finding the Fourth Proportional to 3,849,480.72, 5,312,219.04 and 2,130,564.60

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Solution

The fourth proportional to 3,849,480.72, 5,312,219.04 and 2,130,564.60 is: 2,940,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,480.72 : 5,312,219.04 = 2,130,564.60 : x
  2. Step 2: Convert to fraction form
    3,849,480.72/5,312,219.04 = 2,130,564.60/x
  3. Step 3: Cross multiply
    3,849,480.72x = 5,312,219.04 × 2,130,564.60
  4. Step 4: Simplify right side
    3,849,480.72x = 11,318,025,834,069.98
  5. Step 5: Solve for x
    x = 11,318,025,834,069.98/3,849,480.72
  6. Step 6: Final answer
    x = 2,940,143.53

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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.