Home / 3,709,288.40-5,562,550.20-1,312,206.80

Finding the Fourth Proportional to 3,709,288.40, 5,562,550.20 and 1,312,206.80

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Solution

The fourth proportional to 3,709,288.40, 5,562,550.20 and 1,312,206.80 is: 1,967,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,288.40 : 5,562,550.20 = 1,312,206.80 : x
  2. Step 2: Convert to fraction form
    3,709,288.40/5,562,550.20 = 1,312,206.80/x
  3. Step 3: Cross multiply
    3,709,288.40x = 5,562,550.20 × 1,312,206.80
  4. Step 4: Simplify right side
    3,709,288.40x = 7,299,216,197,781.36
  5. Step 5: Solve for x
    x = 7,299,216,197,781.36/3,709,288.40
  6. Step 6: Final answer
    x = 1,967,821.16

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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.