Home / 2,518,181.60-3,778,007.84-812,287.20

Finding the Fourth Proportional to 2,518,181.60, 3,778,007.84 and 812,287.20

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Solution

The fourth proportional to 2,518,181.60, 3,778,007.84 and 812,287.20 is: 1,218,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,181.60 : 3,778,007.84 = 812,287.20 : x
  2. Step 2: Convert to fraction form
    2,518,181.60/3,778,007.84 = 812,287.20/x
  3. Step 3: Cross multiply
    2,518,181.60x = 3,778,007.84 × 812,287.20
  4. Step 4: Simplify right side
    2,518,181.60x = 3,068,827,409,931.65
  5. Step 5: Solve for x
    x = 3,068,827,409,931.65/2,518,181.60
  6. Step 6: Final answer
    x = 1,218,668.03

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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.