Home / 2,019,176.54-3,021,655.77-1,261,374.89

Finding the Fourth Proportional to 2,019,176.54, 3,021,655.77 and 1,261,374.89

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Solution

The fourth proportional to 2,019,176.54, 3,021,655.77 and 1,261,374.89 is: 1,887,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,176.54 : 3,021,655.77 = 1,261,374.89 : x
  2. Step 2: Convert to fraction form
    2,019,176.54/3,021,655.77 = 1,261,374.89/x
  3. Step 3: Cross multiply
    2,019,176.54x = 3,021,655.77 × 1,261,374.89
  4. Step 4: Simplify right side
    2,019,176.54x = 3,811,440,714,501.62
  5. Step 5: Solve for x
    x = 3,811,440,714,501.62/2,019,176.54
  6. Step 6: Final answer
    x = 1,887,621.33

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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.