Home / 3,913,302.60-5,867,037.90-2,021,401.80

Finding the Fourth Proportional to 3,913,302.60, 5,867,037.90 and 2,021,401.80

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Solution

The fourth proportional to 3,913,302.60, 5,867,037.90 and 2,021,401.80 is: 3,030,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,302.60 : 5,867,037.90 = 2,021,401.80 : x
  2. Step 2: Convert to fraction form
    3,913,302.60/5,867,037.90 = 2,021,401.80/x
  3. Step 3: Cross multiply
    3,913,302.60x = 5,867,037.90 × 2,021,401.80
  4. Step 4: Simplify right side
    3,913,302.60x = 11,859,640,971,728.22
  5. Step 5: Solve for x
    x = 11,859,640,971,728.22/3,913,302.60
  6. Step 6: Final answer
    x = 3,030,596.45

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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.