Home / 2,138,075.78-3,207,704.17-1,903,060.76

Finding the Fourth Proportional to 2,138,075.78, 3,207,704.17 and 1,903,060.76

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Solution

The fourth proportional to 2,138,075.78, 3,207,704.17 and 1,903,060.76 is: 2,855,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,075.78 : 3,207,704.17 = 1,903,060.76 : x
  2. Step 2: Convert to fraction form
    2,138,075.78/3,207,704.17 = 1,903,060.76/x
  3. Step 3: Cross multiply
    2,138,075.78x = 3,207,704.17 × 1,903,060.76
  4. Step 4: Simplify right side
    2,138,075.78x = 6,104,455,938,876.98
  5. Step 5: Solve for x
    x = 6,104,455,938,876.98/2,138,075.78
  6. Step 6: Final answer
    x = 2,855,116.73

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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.