Home / 3,557,385.30-4,909,186.45-1,925,784.66

Finding the Fourth Proportional to 3,557,385.30, 4,909,186.45 and 1,925,784.66

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Solution

The fourth proportional to 3,557,385.30, 4,909,186.45 and 1,925,784.66 is: 2,657,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,385.30 : 4,909,186.45 = 1,925,784.66 : x
  2. Step 2: Convert to fraction form
    3,557,385.30/4,909,186.45 = 1,925,784.66/x
  3. Step 3: Cross multiply
    3,557,385.30x = 4,909,186.45 × 1,925,784.66
  4. Step 4: Simplify right side
    3,557,385.30x = 9,454,035,958,489.86
  5. Step 5: Solve for x
    x = 9,454,035,958,489.86/3,557,385.30
  6. Step 6: Final answer
    x = 2,657,579.98

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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.