Home / 2,580,768.15-3,561,401.47-1,403,341.35

Finding the Fourth Proportional to 2,580,768.15, 3,561,401.47 and 1,403,341.35

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Solution

The fourth proportional to 2,580,768.15, 3,561,401.47 and 1,403,341.35 is: 1,936,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,768.15 : 3,561,401.47 = 1,403,341.35 : x
  2. Step 2: Convert to fraction form
    2,580,768.15/3,561,401.47 = 1,403,341.35/x
  3. Step 3: Cross multiply
    2,580,768.15x = 3,561,401.47 × 1,403,341.35
  4. Step 4: Simplify right side
    2,580,768.15x = 4,997,861,946,801.79
  5. Step 5: Solve for x
    x = 4,997,861,946,801.79/2,580,768.15
  6. Step 6: Final answer
    x = 1,936,579.21

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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.