Home / 1,786,010.80-2,679,016.20-1,605,607.60

Finding the Fourth Proportional to 1,786,010.80, 2,679,016.20 and 1,605,607.60

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Solution

The fourth proportional to 1,786,010.80, 2,679,016.20 and 1,605,607.60 is: 2,408,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,010.80 : 2,679,016.20 = 1,605,607.60 : x
  2. Step 2: Convert to fraction form
    1,786,010.80/2,679,016.20 = 1,605,607.60/x
  3. Step 3: Cross multiply
    1,786,010.80x = 2,679,016.20 × 1,605,607.60
  4. Step 4: Simplify right side
    1,786,010.80x = 4,301,448,771,243.12
  5. Step 5: Solve for x
    x = 4,301,448,771,243.12/1,786,010.80
  6. Step 6: Final answer
    x = 2,408,411.40

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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.