Home / 3,154,406.40-4,731,609.60-1,159,603.20

Finding the Fourth Proportional to 3,154,406.40, 4,731,609.60 and 1,159,603.20

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Solution

The fourth proportional to 3,154,406.40, 4,731,609.60 and 1,159,603.20 is: 1,739,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,406.40 : 4,731,609.60 = 1,159,603.20 : x
  2. Step 2: Convert to fraction form
    3,154,406.40/4,731,609.60 = 1,159,603.20/x
  3. Step 3: Cross multiply
    3,154,406.40x = 4,731,609.60 × 1,159,603.20
  4. Step 4: Simplify right side
    3,154,406.40x = 5,486,789,633,310.72
  5. Step 5: Solve for x
    x = 5,486,789,633,310.72/3,154,406.40
  6. Step 6: Final answer
    x = 1,739,404.80

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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.