Home / 2,281,214.54-3,147,307.34-1,314,320.78

Finding the Fourth Proportional to 2,281,214.54, 3,147,307.34 and 1,314,320.78

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Solution

The fourth proportional to 2,281,214.54, 3,147,307.34 and 1,314,320.78 is: 1,813,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,214.54 : 3,147,307.34 = 1,314,320.78 : x
  2. Step 2: Convert to fraction form
    2,281,214.54/3,147,307.34 = 1,314,320.78/x
  3. Step 3: Cross multiply
    2,281,214.54x = 3,147,307.34 × 1,314,320.78
  4. Step 4: Simplify right side
    2,281,214.54x = 4,136,571,415,700.38
  5. Step 5: Solve for x
    x = 4,136,571,415,700.38/2,281,214.54
  6. Step 6: Final answer
    x = 1,813,319.77

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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.