Home / 2,015,396.16-2,778,005.16-1,361,818.14

Finding the Fourth Proportional to 2,015,396.16, 2,778,005.16 and 1,361,818.14

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Solution

The fourth proportional to 2,015,396.16, 2,778,005.16 and 1,361,818.14 is: 1,877,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,396.16 : 2,778,005.16 = 1,361,818.14 : x
  2. Step 2: Convert to fraction form
    2,015,396.16/2,778,005.16 = 1,361,818.14/x
  3. Step 3: Cross multiply
    2,015,396.16x = 2,778,005.16 × 1,361,818.14
  4. Step 4: Simplify right side
    2,015,396.16x = 3,783,137,819,901.60
  5. Step 5: Solve for x
    x = 3,783,137,819,901.60/2,015,396.16
  6. Step 6: Final answer
    x = 1,877,118.70

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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.