Home / 2,840,457.12-3,919,855.86-1,616,841.42

Finding the Fourth Proportional to 2,840,457.12, 3,919,855.86 and 1,616,841.42

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Solution

The fourth proportional to 2,840,457.12, 3,919,855.86 and 1,616,841.42 is: 2,231,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,457.12 : 3,919,855.86 = 1,616,841.42 : x
  2. Step 2: Convert to fraction form
    2,840,457.12/3,919,855.86 = 1,616,841.42/x
  3. Step 3: Cross multiply
    2,840,457.12x = 3,919,855.86 × 1,616,841.42
  4. Step 4: Simplify right side
    2,840,457.12x = 6,337,785,314,877.72
  5. Step 5: Solve for x
    x = 6,337,785,314,877.72/2,840,457.12
  6. Step 6: Final answer
    x = 2,231,255.41

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1.5x scale

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.