Home / 2,783,642.76-4,176,127.53-986,683.28

Finding the Fourth Proportional to 2,783,642.76, 4,176,127.53 and 986,683.28

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Solution

The fourth proportional to 2,783,642.76, 4,176,127.53 and 986,683.28 is: 1,480,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,642.76 : 4,176,127.53 = 986,683.28 : x
  2. Step 2: Convert to fraction form
    2,783,642.76/4,176,127.53 = 986,683.28/x
  3. Step 3: Cross multiply
    2,783,642.76x = 4,176,127.53 × 986,683.28
  4. Step 4: Simplify right side
    2,783,642.76x = 4,120,515,188,118.06
  5. Step 5: Solve for x
    x = 4,120,515,188,118.06/2,783,642.76
  6. Step 6: Final answer
    x = 1,480,260.06

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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.