Home / 4,374,021.90-6,561,032.85-2,778,386.70

Finding the Fourth Proportional to 4,374,021.90, 6,561,032.85 and 2,778,386.70

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Solution

The fourth proportional to 4,374,021.90, 6,561,032.85 and 2,778,386.70 is: 4,167,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374,021.90 : 6,561,032.85 = 2,778,386.70 : x
  2. Step 2: Convert to fraction form
    4,374,021.90/6,561,032.85 = 2,778,386.70/x
  3. Step 3: Cross multiply
    4,374,021.90x = 6,561,032.85 × 2,778,386.70
  4. Step 4: Simplify right side
    4,374,021.90x = 18,229,086,408,703.09
  5. Step 5: Solve for x
    x = 18,229,086,408,703.09/4,374,021.90
  6. Step 6: Final answer
    x = 4,167,580.05

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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.