Home / 3,715,989.21-5,572,647.29-1,286,482.77

Finding the Fourth Proportional to 3,715,989.21, 5,572,647.29 and 1,286,482.77

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Solution

The fourth proportional to 3,715,989.21, 5,572,647.29 and 1,286,482.77 is: 1,929,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715,989.21 : 5,572,647.29 = 1,286,482.77 : x
  2. Step 2: Convert to fraction form
    3,715,989.21/5,572,647.29 = 1,286,482.77/x
  3. Step 3: Cross multiply
    3,715,989.21x = 5,572,647.29 × 1,286,482.77
  4. Step 4: Simplify right side
    3,715,989.21x = 7,169,114,715,439.78
  5. Step 5: Solve for x
    x = 7,169,114,715,439.78/3,715,989.21
  6. Step 6: Final answer
    x = 1,929,261.45

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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.