Home / 2,618,084.31-3,925,878.26-912,017.76

Finding the Fourth Proportional to 2,618,084.31, 3,925,878.26 and 912,017.76

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Solution

The fourth proportional to 2,618,084.31, 3,925,878.26 and 912,017.76 is: 1,367,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,084.31 : 3,925,878.26 = 912,017.76 : x
  2. Step 2: Convert to fraction form
    2,618,084.31/3,925,878.26 = 912,017.76/x
  3. Step 3: Cross multiply
    2,618,084.31x = 3,925,878.26 × 912,017.76
  4. Step 4: Simplify right side
    2,618,084.31x = 3,580,470,692,157.81
  5. Step 5: Solve for x
    x = 3,580,470,692,157.81/2,618,084.31
  6. Step 6: Final answer
    x = 1,367,591.82

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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.