Home / 3,139,482.05-4,708,380.01-864,464.79

Finding the Fourth Proportional to 3,139,482.05, 4,708,380.01 and 864,464.79

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Solution

The fourth proportional to 3,139,482.05, 4,708,380.01 and 864,464.79 is: 1,296,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,482.05 : 4,708,380.01 = 864,464.79 : x
  2. Step 2: Convert to fraction form
    3,139,482.05/4,708,380.01 = 864,464.79/x
  3. Step 3: Cross multiply
    3,139,482.05x = 4,708,380.01 × 864,464.79
  4. Step 4: Simplify right side
    3,139,482.05x = 4,070,228,748,295.43
  5. Step 5: Solve for x
    x = 4,070,228,748,295.43/3,139,482.05
  6. Step 6: Final answer
    x = 1,296,465.05

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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.