Home / 4,771,946.70-7,157,920.05-1,620,074.70

Finding the Fourth Proportional to 4,771,946.70, 7,157,920.05 and 1,620,074.70

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Solution

The fourth proportional to 4,771,946.70, 7,157,920.05 and 1,620,074.70 is: 2,430,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,946.70 : 7,157,920.05 = 1,620,074.70 : x
  2. Step 2: Convert to fraction form
    4,771,946.70/7,157,920.05 = 1,620,074.70/x
  3. Step 3: Cross multiply
    4,771,946.70x = 7,157,920.05 × 1,620,074.70
  4. Step 4: Simplify right side
    4,771,946.70x = 11,596,365,177,627.73
  5. Step 5: Solve for x
    x = 11,596,365,177,627.73/4,771,946.70
  6. Step 6: Final answer
    x = 2,430,112.05

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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.