Home / 2,626,137.34-3,937,728.48-828,685.78

Finding the Fourth Proportional to 2,626,137.34, 3,937,728.48 and 828,685.78

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Solution

The fourth proportional to 2,626,137.34, 3,937,728.48 and 828,685.78 is: 1,242,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,137.34 : 3,937,728.48 = 828,685.78 : x
  2. Step 2: Convert to fraction form
    2,626,137.34/3,937,728.48 = 828,685.78/x
  3. Step 3: Cross multiply
    2,626,137.34x = 3,937,728.48 × 828,685.78
  4. Step 4: Simplify right side
    2,626,137.34x = 3,263,139,596,877.01
  5. Step 5: Solve for x
    x = 3,263,139,596,877.01/2,626,137.34
  6. Step 6: Final answer
    x = 1,242,562.43

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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.