Home / 2,518,311.27-3,778,582.29-1,319,948.67

Finding the Fourth Proportional to 2,518,311.27, 3,778,582.29 and 1,319,948.67

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Solution

The fourth proportional to 2,518,311.27, 3,778,582.29 and 1,319,948.67 is: 1,980,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,311.27 : 3,778,582.29 = 1,319,948.67 : x
  2. Step 2: Convert to fraction form
    2,518,311.27/3,778,582.29 = 1,319,948.67/x
  3. Step 3: Cross multiply
    2,518,311.27x = 3,778,582.29 × 1,319,948.67
  4. Step 4: Simplify right side
    2,518,311.27x = 4,987,534,668,171.05
  5. Step 5: Solve for x
    x = 4,987,534,668,171.05/2,518,311.27
  6. Step 6: Final answer
    x = 1,980,507.62

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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.