Home / 1,386,581.96-2,089,337.38-1,139,399.62

Finding the Fourth Proportional to 1,386,581.96, 2,089,337.38 and 1,139,399.62

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Solution

The fourth proportional to 1,386,581.96, 2,089,337.38 and 1,139,399.62 is: 1,716,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,581.96 : 2,089,337.38 = 1,139,399.62 : x
  2. Step 2: Convert to fraction form
    1,386,581.96/2,089,337.38 = 1,139,399.62/x
  3. Step 3: Cross multiply
    1,386,581.96x = 2,089,337.38 × 1,139,399.62
  4. Step 4: Simplify right side
    1,386,581.96x = 2,380,590,216,823.80
  5. Step 5: Solve for x
    x = 2,380,590,216,823.80/1,386,581.96
  6. Step 6: Final answer
    x = 1,716,876.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.