Home / 2,138,075.79-3,207,704.16-1,903,060.77

Finding the Fourth Proportional to 2,138,075.79, 3,207,704.16 and 1,903,060.77

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Solution

The fourth proportional to 2,138,075.79, 3,207,704.16 and 1,903,060.77 is: 2,855,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,075.79 : 3,207,704.16 = 1,903,060.77 : x
  2. Step 2: Convert to fraction form
    2,138,075.79/3,207,704.16 = 1,903,060.77/x
  3. Step 3: Cross multiply
    2,138,075.79x = 3,207,704.16 × 1,903,060.77
  4. Step 4: Simplify right side
    2,138,075.79x = 6,104,455,948,661.80
  5. Step 5: Solve for x
    x = 6,104,455,948,661.80/2,138,075.79
  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.