Home / 5,638,922.34-7,780,378.52-3,191,533.46

Finding the Fourth Proportional to 5,638,922.34, 7,780,378.52 and 3,191,533.46

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Solution

The fourth proportional to 5,638,922.34, 7,780,378.52 and 3,191,533.46 is: 4,403,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,922.34 : 7,780,378.52 = 3,191,533.46 : x
  2. Step 2: Convert to fraction form
    5,638,922.34/7,780,378.52 = 3,191,533.46/x
  3. Step 3: Cross multiply
    5,638,922.34x = 7,780,378.52 × 3,191,533.46
  4. Step 4: Simplify right side
    5,638,922.34x = 24,831,338,376,298.64
  5. Step 5: Solve for x
    x = 24,831,338,376,298.64/5,638,922.34
  6. Step 6: Final answer
    x = 4,403,560.98

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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.