Home / 2,890,539.60-4,337,364.60-1,207,813.20

Finding the Fourth Proportional to 2,890,539.60, 4,337,364.60 and 1,207,813.20

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Solution

The fourth proportional to 2,890,539.60, 4,337,364.60 and 1,207,813.20 is: 1,812,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,539.60 : 4,337,364.60 = 1,207,813.20 : x
  2. Step 2: Convert to fraction form
    2,890,539.60/4,337,364.60 = 1,207,813.20/x
  3. Step 3: Cross multiply
    2,890,539.60x = 4,337,364.60 × 1,207,813.20
  4. Step 4: Simplify right side
    2,890,539.60x = 5,238,726,217,092.72
  5. Step 5: Solve for x
    x = 5,238,726,217,092.72/2,890,539.60
  6. Step 6: Final answer
    x = 1,812,369.64

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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.