Home / 6,430,115.80-9,641,669.70-1,941,808.60

Finding the Fourth Proportional to 6,430,115.80, 9,641,669.70 and 1,941,808.60

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Solution

The fourth proportional to 6,430,115.80, 9,641,669.70 and 1,941,808.60 is: 2,911,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,115.80 : 9,641,669.70 = 1,941,808.60 : x
  2. Step 2: Convert to fraction form
    6,430,115.80/9,641,669.70 = 1,941,808.60/x
  3. Step 3: Cross multiply
    6,430,115.80x = 9,641,669.70 × 1,941,808.60
  4. Step 4: Simplify right side
    6,430,115.80x = 18,722,277,141,819.42
  5. Step 5: Solve for x
    x = 18,722,277,141,819.42/6,430,115.80
  6. Step 6: Final answer
    x = 2,911,654.74

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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.