Home / 3,980,302.20-5,972,915.70-2,088,401.40

Finding the Fourth Proportional to 3,980,302.20, 5,972,915.70 and 2,088,401.40

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Solution

The fourth proportional to 3,980,302.20, 5,972,915.70 and 2,088,401.40 is: 3,133,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,302.20 : 5,972,915.70 = 2,088,401.40 : x
  2. Step 2: Convert to fraction form
    3,980,302.20/5,972,915.70 = 2,088,401.40/x
  3. Step 3: Cross multiply
    3,980,302.20x = 5,972,915.70 × 2,088,401.40
  4. Step 4: Simplify right side
    3,980,302.20x = 12,473,845,509,961.98
  5. Step 5: Solve for x
    x = 12,473,845,509,961.98/3,980,302.20
  6. Step 6: Final answer
    x = 3,133,894.08

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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.