Home / 3,139,506.01-4,708,415.88-864,488.77

Finding the Fourth Proportional to 3,139,506.01, 4,708,415.88 and 864,488.77

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Solution

The fourth proportional to 3,139,506.01, 4,708,415.88 and 864,488.77 is: 1,296,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,506.01 : 4,708,415.88 = 864,488.77 : x
  2. Step 2: Convert to fraction form
    3,139,506.01/4,708,415.88 = 864,488.77/x
  3. Step 3: Cross multiply
    3,139,506.01x = 4,708,415.88 × 864,488.77
  4. Step 4: Simplify right side
    3,139,506.01x = 4,070,372,652,749.67
  5. Step 5: Solve for x
    x = 4,070,372,652,749.67/3,139,506.01
  6. Step 6: Final answer
    x = 1,296,500.99

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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.