Home / 3,405,078.65-4,699,040.60-1,877,240.45

Finding the Fourth Proportional to 3,405,078.65, 4,699,040.60 and 1,877,240.45

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Solution

The fourth proportional to 3,405,078.65, 4,699,040.60 and 1,877,240.45 is: 2,590,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,078.65 : 4,699,040.60 = 1,877,240.45 : x
  2. Step 2: Convert to fraction form
    3,405,078.65/4,699,040.60 = 1,877,240.45/x
  3. Step 3: Cross multiply
    3,405,078.65x = 4,699,040.60 × 1,877,240.45
  4. Step 4: Simplify right side
    3,405,078.65x = 8,821,229,090,512.27
  5. Step 5: Solve for x
    x = 8,821,229,090,512.27/3,405,078.65
  6. Step 6: Final answer
    x = 2,590,609.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.