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Finding the Fourth Proportional to 2,495,978.70, 3,743,979.00 and 790,130.36

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Solution

The fourth proportional to 2,495,978.70, 3,743,979.00 and 790,130.36 is: 1,185,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495,978.70 : 3,743,979.00 = 790,130.36 : x
  2. Step 2: Convert to fraction form
    2,495,978.70/3,743,979.00 = 790,130.36/x
  3. Step 3: Cross multiply
    2,495,978.70x = 3,743,979.00 × 790,130.36
  4. Step 4: Simplify right side
    2,495,978.70x = 2,958,231,488,166.05
  5. Step 5: Solve for x
    x = 2,958,231,488,166.05/2,495,978.70
  6. Step 6: Final answer
    x = 1,185,199.01

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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.