Home / 3,853,408.64-5,317,643.52-2,111,064.32

Finding the Fourth Proportional to 3,853,408.64, 5,317,643.52 and 2,111,064.32

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Solution

The fourth proportional to 3,853,408.64, 5,317,643.52 and 2,111,064.32 is: 2,913,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,408.64 : 5,317,643.52 = 2,111,064.32 : x
  2. Step 2: Convert to fraction form
    3,853,408.64/5,317,643.52 = 2,111,064.32/x
  3. Step 3: Cross multiply
    3,853,408.64x = 5,317,643.52 × 2,111,064.32
  4. Step 4: Simplify right side
    3,853,408.64x = 11,225,887,501,551.21
  5. Step 5: Solve for x
    x = 11,225,887,501,551.21/3,853,408.64
  6. Step 6: Final answer
    x = 2,913,235.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.