Home / 1,987,065.20-2,980,986.60-849,825.20

Finding the Fourth Proportional to 1,987,065.20, 2,980,986.60 and 849,825.20

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Solution

The fourth proportional to 1,987,065.20, 2,980,986.60 and 849,825.20 is: 1,274,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,065.20 : 2,980,986.60 = 849,825.20 : x
  2. Step 2: Convert to fraction form
    1,987,065.20/2,980,986.60 = 849,825.20/x
  3. Step 3: Cross multiply
    1,987,065.20x = 2,980,986.60 × 849,825.20
  4. Step 4: Simplify right side
    1,987,065.20x = 2,533,317,533,542.32
  5. Step 5: Solve for x
    x = 2,533,317,533,542.32/1,987,065.20
  6. Step 6: Final answer
    x = 1,274,904.08

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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.