Home / 3,195,917.60-4,793,876.40-921,437.60

Finding the Fourth Proportional to 3,195,917.60, 4,793,876.40 and 921,437.60

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Solution

The fourth proportional to 3,195,917.60, 4,793,876.40 and 921,437.60 is: 1,382,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,917.60 : 4,793,876.40 = 921,437.60 : x
  2. Step 2: Convert to fraction form
    3,195,917.60/4,793,876.40 = 921,437.60/x
  3. Step 3: Cross multiply
    3,195,917.60x = 4,793,876.40 × 921,437.60
  4. Step 4: Simplify right side
    3,195,917.60x = 4,417,257,964,712.64
  5. Step 5: Solve for x
    x = 4,417,257,964,712.64/3,195,917.60
  6. Step 6: Final answer
    x = 1,382,156.40

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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.