Home / 2,113,455.36-2,916,568.08-1,208,056.80

Finding the Fourth Proportional to 2,113,455.36, 2,916,568.08 and 1,208,056.80

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Solution

The fourth proportional to 2,113,455.36, 2,916,568.08 and 1,208,056.80 is: 1,667,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,455.36 : 2,916,568.08 = 1,208,056.80 : x
  2. Step 2: Convert to fraction form
    2,113,455.36/2,916,568.08 = 1,208,056.80/x
  3. Step 3: Cross multiply
    2,113,455.36x = 2,916,568.08 × 1,208,056.80
  4. Step 4: Simplify right side
    2,113,455.36x = 3,523,379,901,706.94
  5. Step 5: Solve for x
    x = 3,523,379,901,706.94/2,113,455.36
  6. Step 6: Final answer
    x = 1,667,118.20

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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.