Home / 3,478,000.50-4,799,689.74-2,101,152.78

Finding the Fourth Proportional to 3,478,000.50, 4,799,689.74 and 2,101,152.78

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Solution

The fourth proportional to 3,478,000.50, 4,799,689.74 and 2,101,152.78 is: 2,899,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,000.50 : 4,799,689.74 = 2,101,152.78 : x
  2. Step 2: Convert to fraction form
    3,478,000.50/4,799,689.74 = 2,101,152.78/x
  3. Step 3: Cross multiply
    3,478,000.50x = 4,799,689.74 × 2,101,152.78
  4. Step 4: Simplify right side
    3,478,000.50x = 10,084,881,440,338.48
  5. Step 5: Solve for x
    x = 10,084,881,440,338.48/3,478,000.50
  6. Step 6: Final answer
    x = 2,899,620.47

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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.