Home / 2,970,805.60-4,099,724.04-1,681,894.72

Finding the Fourth Proportional to 2,970,805.60, 4,099,724.04 and 1,681,894.72

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Solution

The fourth proportional to 2,970,805.60, 4,099,724.04 and 1,681,894.72 is: 2,321,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,805.60 : 4,099,724.04 = 1,681,894.72 : x
  2. Step 2: Convert to fraction form
    2,970,805.60/4,099,724.04 = 1,681,894.72/x
  3. Step 3: Cross multiply
    2,970,805.60x = 4,099,724.04 × 1,681,894.72
  4. Step 4: Simplify right side
    2,970,805.60x = 6,895,304,216,333.07
  5. Step 5: Solve for x
    x = 6,895,304,216,333.07/2,970,805.60
  6. Step 6: Final answer
    x = 2,321,021.68

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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.