Home / 2,987,287.85-4,121,748.64-1,698,026.74

Finding the Fourth Proportional to 2,987,287.85, 4,121,748.64 and 1,698,026.74

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Solution

The fourth proportional to 2,987,287.85, 4,121,748.64 and 1,698,026.74 is: 2,342,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,287.85 : 4,121,748.64 = 1,698,026.74 : x
  2. Step 2: Convert to fraction form
    2,987,287.85/4,121,748.64 = 1,698,026.74/x
  3. Step 3: Cross multiply
    2,987,287.85x = 4,121,748.64 × 1,698,026.74
  4. Step 4: Simplify right side
    2,987,287.85x = 6,998,839,406,278.63
  5. Step 5: Solve for x
    x = 6,998,839,406,278.63/2,987,287.85
  6. Step 6: Final answer
    x = 2,342,874.12

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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.