Home / 3,102,519.60-4,653,779.40-858,657.60

Finding the Fourth Proportional to 3,102,519.60, 4,653,779.40 and 858,657.60

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Solution

The fourth proportional to 3,102,519.60, 4,653,779.40 and 858,657.60 is: 1,287,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,519.60 : 4,653,779.40 = 858,657.60 : x
  2. Step 2: Convert to fraction form
    3,102,519.60/4,653,779.40 = 858,657.60/x
  3. Step 3: Cross multiply
    3,102,519.60x = 4,653,779.40 × 858,657.60
  4. Step 4: Simplify right side
    3,102,519.60x = 3,996,003,050,533.44
  5. Step 5: Solve for x
    x = 3,996,003,050,533.44/3,102,519.60
  6. Step 6: Final answer
    x = 1,287,986.40

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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.