Home / 4,921,277.20-7,380,533.40-1,556,515.60

Finding the Fourth Proportional to 4,921,277.20, 7,380,533.40 and 1,556,515.60

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Solution

The fourth proportional to 4,921,277.20, 7,380,533.40 and 1,556,515.60 is: 2,334,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,277.20 : 7,380,533.40 = 1,556,515.60 : x
  2. Step 2: Convert to fraction form
    4,921,277.20/7,380,533.40 = 1,556,515.60/x
  3. Step 3: Cross multiply
    4,921,277.20x = 7,380,533.40 × 1,556,515.60
  4. Step 4: Simplify right side
    4,921,277.20x = 11,487,915,373,421.04
  5. Step 5: Solve for x
    x = 11,487,915,373,421.04/4,921,277.20
  6. Step 6: Final answer
    x = 2,334,336.17

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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.