Home / 2,679,659.60-4,020,007.80-786,462.80

Finding the Fourth Proportional to 2,679,659.60, 4,020,007.80 and 786,462.80

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Solution

The fourth proportional to 2,679,659.60, 4,020,007.80 and 786,462.80 is: 1,179,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,659.60 : 4,020,007.80 = 786,462.80 : x
  2. Step 2: Convert to fraction form
    2,679,659.60/4,020,007.80 = 786,462.80/x
  3. Step 3: Cross multiply
    2,679,659.60x = 4,020,007.80 × 786,462.80
  4. Step 4: Simplify right side
    2,679,659.60x = 3,161,586,590,409.84
  5. Step 5: Solve for x
    x = 3,161,586,590,409.84/2,679,659.60
  6. Step 6: Final answer
    x = 1,179,846.35

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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.