Home / 1,492,214.10-2,238,321.15-1,403,640.60

Finding the Fourth Proportional to 1,492,214.10, 2,238,321.15 and 1,403,640.60

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Solution

The fourth proportional to 1,492,214.10, 2,238,321.15 and 1,403,640.60 is: 2,105,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,214.10 : 2,238,321.15 = 1,403,640.60 : x
  2. Step 2: Convert to fraction form
    1,492,214.10/2,238,321.15 = 1,403,640.60/x
  3. Step 3: Cross multiply
    1,492,214.10x = 2,238,321.15 × 1,403,640.60
  4. Step 4: Simplify right side
    1,492,214.10x = 3,141,798,441,978.69
  5. Step 5: Solve for x
    x = 3,141,798,441,978.69/1,492,214.10
  6. Step 6: Final answer
    x = 2,105,460.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.