Home / 6,190,417.20-9,290,742.60-3,160,021.68

Finding the Fourth Proportional to 6,190,417.20, 9,290,742.60 and 3,160,021.68

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Solution

The fourth proportional to 6,190,417.20, 9,290,742.60 and 3,160,021.68 is: 4,742,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190,417.20 : 9,290,742.60 = 3,160,021.68 : x
  2. Step 2: Convert to fraction form
    6,190,417.20/9,290,742.60 = 3,160,021.68/x
  3. Step 3: Cross multiply
    6,190,417.20x = 9,290,742.60 × 3,160,021.68
  4. Step 4: Simplify right side
    6,190,417.20x = 29,358,948,039,299.57
  5. Step 5: Solve for x
    x = 29,358,948,039,299.57/6,190,417.20
  6. Step 6: Final answer
    x = 4,742,644.49

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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.