Home / 4,860,007.20-7,290,010.80-4,789,148.40

Finding the Fourth Proportional to 4,860,007.20, 7,290,010.80 and 4,789,148.40

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Solution

The fourth proportional to 4,860,007.20, 7,290,010.80 and 4,789,148.40 is: 7,183,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,007.20 : 7,290,010.80 = 4,789,148.40 : x
  2. Step 2: Convert to fraction form
    4,860,007.20/7,290,010.80 = 4,789,148.40/x
  3. Step 3: Cross multiply
    4,860,007.20x = 7,290,010.80 × 4,789,148.40
  4. Step 4: Simplify right side
    4,860,007.20x = 34,912,943,558,802.72
  5. Step 5: Solve for x
    x = 34,912,943,558,802.72/4,860,007.20
  6. Step 6: Final answer
    x = 7,183,722.60

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Similar ratio
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1.5x scale

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.