Home / 3,412,865.90-5,119,317.92-1,138,384.03

Finding the Fourth Proportional to 3,412,865.90, 5,119,317.92 and 1,138,384.03

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Solution

The fourth proportional to 3,412,865.90, 5,119,317.92 and 1,138,384.03 is: 1,707,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,865.90 : 5,119,317.92 = 1,138,384.03 : x
  2. Step 2: Convert to fraction form
    3,412,865.90/5,119,317.92 = 1,138,384.03/x
  3. Step 3: Cross multiply
    3,412,865.90x = 5,119,317.92 × 1,138,384.03
  4. Step 4: Simplify right side
    3,412,865.90x = 5,827,749,746,130.60
  5. Step 5: Solve for x
    x = 5,827,749,746,130.60/3,412,865.90
  6. Step 6: Final answer
    x = 1,707,582.40

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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.