Home / 2,679,661.60-4,020,010.80-786,464.80

Finding the Fourth Proportional to 2,679,661.60, 4,020,010.80 and 786,464.80

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Solution

The fourth proportional to 2,679,661.60, 4,020,010.80 and 786,464.80 is: 1,179,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,661.60 : 4,020,010.80 = 786,464.80 : x
  2. Step 2: Convert to fraction form
    2,679,661.60/4,020,010.80 = 786,464.80/x
  3. Step 3: Cross multiply
    2,679,661.60x = 4,020,010.80 × 786,464.80
  4. Step 4: Simplify right side
    2,679,661.60x = 3,161,596,989,819.84
  5. Step 5: Solve for x
    x = 3,161,596,989,819.84/2,679,661.60
  6. Step 6: Final answer
    x = 1,179,849.35

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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.