Home / 2,812,364.07-4,218,744.75-1,392,038.79

Finding the Fourth Proportional to 2,812,364.07, 4,218,744.75 and 1,392,038.79

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Solution

The fourth proportional to 2,812,364.07, 4,218,744.75 and 1,392,038.79 is: 2,088,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,364.07 : 4,218,744.75 = 1,392,038.79 : x
  2. Step 2: Convert to fraction form
    2,812,364.07/4,218,744.75 = 1,392,038.79/x
  3. Step 3: Cross multiply
    2,812,364.07x = 4,218,744.75 × 1,392,038.79
  4. Step 4: Simplify right side
    2,812,364.07x = 5,872,656,337,108.85
  5. Step 5: Solve for x
    x = 5,872,656,337,108.85/2,812,364.07
  6. Step 6: Final answer
    x = 2,088,156.51

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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.