Home / 3,317,814.40-4,578,038.98-1,921,879.64

Finding the Fourth Proportional to 3,317,814.40, 4,578,038.98 and 1,921,879.64

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Solution

The fourth proportional to 3,317,814.40, 4,578,038.98 and 1,921,879.64 is: 2,651,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,814.40 : 4,578,038.98 = 1,921,879.64 : x
  2. Step 2: Convert to fraction form
    3,317,814.40/4,578,038.98 = 1,921,879.64/x
  3. Step 3: Cross multiply
    3,317,814.40x = 4,578,038.98 × 1,921,879.64
  4. Step 4: Simplify right side
    3,317,814.40x = 8,798,439,906,788.37
  5. Step 5: Solve for x
    x = 8,798,439,906,788.37/3,317,814.40
  6. Step 6: Final answer
    x = 2,651,878.27

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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.