Home / 3,379,779.60-5,070,000.60-983,648.40

Finding the Fourth Proportional to 3,379,779.60, 5,070,000.60 and 983,648.40

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Solution

The fourth proportional to 3,379,779.60, 5,070,000.60 and 983,648.40 is: 1,475,568.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,779.60 : 5,070,000.60 = 983,648.40 : x
  2. Step 2: Convert to fraction form
    3,379,779.60/5,070,000.60 = 983,648.40/x
  3. Step 3: Cross multiply
    3,379,779.60x = 5,070,000.60 × 983,648.40
  4. Step 4: Simplify right side
    3,379,779.60x = 4,987,097,978,189.04
  5. Step 5: Solve for x
    x = 4,987,097,978,189.04/3,379,779.60
  6. Step 6: Final answer
    x = 1,475,568.99

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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.