Home / 2,759,919.40-4,139,879.10-1,411,633.90

Finding the Fourth Proportional to 2,759,919.40, 4,139,879.10 and 1,411,633.90

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Solution

The fourth proportional to 2,759,919.40, 4,139,879.10 and 1,411,633.90 is: 2,117,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,919.40 : 4,139,879.10 = 1,411,633.90 : x
  2. Step 2: Convert to fraction form
    2,759,919.40/4,139,879.10 = 1,411,633.90/x
  3. Step 3: Cross multiply
    2,759,919.40x = 4,139,879.10 × 1,411,633.90
  4. Step 4: Simplify right side
    2,759,919.40x = 5,843,993,679,461.49
  5. Step 5: Solve for x
    x = 5,843,993,679,461.49/2,759,919.40
  6. Step 6: Final answer
    x = 2,117,450.85

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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.