Home / 2,147,280.20-2,963,188.14-1,180,410.74

Finding the Fourth Proportional to 2,147,280.20, 2,963,188.14 and 1,180,410.74

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Solution

The fourth proportional to 2,147,280.20, 2,963,188.14 and 1,180,410.74 is: 1,628,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,280.20 : 2,963,188.14 = 1,180,410.74 : x
  2. Step 2: Convert to fraction form
    2,147,280.20/2,963,188.14 = 1,180,410.74/x
  3. Step 3: Cross multiply
    2,147,280.20x = 2,963,188.14 × 1,180,410.74
  4. Step 4: Simplify right side
    2,147,280.20x = 3,497,779,105,096.62
  5. Step 5: Solve for x
    x = 3,497,779,105,096.62/2,147,280.20
  6. Step 6: Final answer
    x = 1,628,934.64

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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.