Home / 2,781,345.36-4,173,887.52-984,221.40

Finding the Fourth Proportional to 2,781,345.36, 4,173,887.52 and 984,221.40

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Solution

The fourth proportional to 2,781,345.36, 4,173,887.52 and 984,221.40 is: 1,476,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,345.36 : 4,173,887.52 = 984,221.40 : x
  2. Step 2: Convert to fraction form
    2,781,345.36/4,173,887.52 = 984,221.40/x
  3. Step 3: Cross multiply
    2,781,345.36x = 4,173,887.52 × 984,221.40
  4. Step 4: Simplify right side
    2,781,345.36x = 4,108,029,418,376.93
  5. Step 5: Solve for x
    x = 4,108,029,418,376.93/2,781,345.36
  6. Step 6: Final answer
    x = 1,476,993.64

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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.