Home / 6,477,317.87-9,715,309.21-2,158,901.49

Finding the Fourth Proportional to 6,477,317.87, 9,715,309.21 and 2,158,901.49

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Solution

The fourth proportional to 6,477,317.87, 9,715,309.21 and 2,158,901.49 is: 3,238,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,317.87 : 9,715,309.21 = 2,158,901.49 : x
  2. Step 2: Convert to fraction form
    6,477,317.87/9,715,309.21 = 2,158,901.49/x
  3. Step 3: Cross multiply
    6,477,317.87x = 9,715,309.21 × 2,158,901.49
  4. Step 4: Simplify right side
    6,477,317.87x = 20,974,395,501,617.89
  5. Step 5: Solve for x
    x = 20,974,395,501,617.89/6,477,317.87
  6. Step 6: Final answer
    x = 3,238,129.72

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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.