Home / 4,697,646.40-7,046,469.60-3,105,121.60

Finding the Fourth Proportional to 4,697,646.40, 7,046,469.60 and 3,105,121.60

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Solution

The fourth proportional to 4,697,646.40, 7,046,469.60 and 3,105,121.60 is: 4,657,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697,646.40 : 7,046,469.60 = 3,105,121.60 : x
  2. Step 2: Convert to fraction form
    4,697,646.40/7,046,469.60 = 3,105,121.60/x
  3. Step 3: Cross multiply
    4,697,646.40x = 7,046,469.60 × 3,105,121.60
  4. Step 4: Simplify right side
    4,697,646.40x = 21,880,144,958,703.36
  5. Step 5: Solve for x
    x = 21,880,144,958,703.36/4,697,646.40
  6. Step 6: Final answer
    x = 4,657,682.40

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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.