Home / 3,617,985.59-4,992,829.94-1,986,498.63

Finding the Fourth Proportional to 3,617,985.59, 4,992,829.94 and 1,986,498.63

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Solution

The fourth proportional to 3,617,985.59, 4,992,829.94 and 1,986,498.63 is: 2,741,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,985.59 : 4,992,829.94 = 1,986,498.63 : x
  2. Step 2: Convert to fraction form
    3,617,985.59/4,992,829.94 = 1,986,498.63/x
  3. Step 3: Cross multiply
    3,617,985.59x = 4,992,829.94 × 1,986,498.63
  4. Step 4: Simplify right side
    3,617,985.59x = 9,918,249,800,736.34
  5. Step 5: Solve for x
    x = 9,918,249,800,736.34/3,617,985.59
  6. Step 6: Final answer
    x = 2,741,373.49

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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.