Home / 2,874,144.96-4,313,887.20-1,455,206.40

Finding the Fourth Proportional to 2,874,144.96, 4,313,887.20 and 1,455,206.40

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Solution

The fourth proportional to 2,874,144.96, 4,313,887.20 and 1,455,206.40 is: 2,184,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,144.96 : 4,313,887.20 = 1,455,206.40 : x
  2. Step 2: Convert to fraction form
    2,874,144.96/4,313,887.20 = 1,455,206.40/x
  3. Step 3: Cross multiply
    2,874,144.96x = 4,313,887.20 × 1,455,206.40
  4. Step 4: Simplify right side
    2,874,144.96x = 6,277,596,262,318.08
  5. Step 5: Solve for x
    x = 6,277,596,262,318.08/2,874,144.96
  6. Step 6: Final answer
    x = 2,184,161.32

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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.