Home / 3,394,341.18-4,684,190.85-1,866,448.31

Finding the Fourth Proportional to 3,394,341.18, 4,684,190.85 and 1,866,448.31

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Solution

The fourth proportional to 3,394,341.18, 4,684,190.85 and 1,866,448.31 is: 2,575,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,341.18 : 4,684,190.85 = 1,866,448.31 : x
  2. Step 2: Convert to fraction form
    3,394,341.18/4,684,190.85 = 1,866,448.31/x
  3. Step 3: Cross multiply
    3,394,341.18x = 4,684,190.85 × 1,866,448.31
  4. Step 4: Simplify right side
    3,394,341.18x = 8,742,800,072,279.01
  5. Step 5: Solve for x
    x = 8,742,800,072,279.01/3,394,341.18
  6. Step 6: Final answer
    x = 2,575,698.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.