Home / 3,938,940.11-5,903,440.17-2,112,776.01

Finding the Fourth Proportional to 3,938,940.11, 5,903,440.17 and 2,112,776.01

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Solution

The fourth proportional to 3,938,940.11, 5,903,440.17 and 2,112,776.01 is: 3,166,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,940.11 : 5,903,440.17 = 2,112,776.01 : x
  2. Step 2: Convert to fraction form
    3,938,940.11/5,903,440.17 = 2,112,776.01/x
  3. Step 3: Cross multiply
    3,938,940.11x = 5,903,440.17 × 2,112,776.01
  4. Step 4: Simplify right side
    3,938,940.11x = 12,472,646,767,646.32
  5. Step 5: Solve for x
    x = 12,472,646,767,646.32/3,938,940.11
  6. Step 6: Final answer
    x = 3,166,498.20

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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.