Home / 2,961,145.80-4,443,792.30-1,898,771.40

Finding the Fourth Proportional to 2,961,145.80, 4,443,792.30 and 1,898,771.40

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Solution

The fourth proportional to 2,961,145.80, 4,443,792.30 and 1,898,771.40 is: 2,849,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,145.80 : 4,443,792.30 = 1,898,771.40 : x
  2. Step 2: Convert to fraction form
    2,961,145.80/4,443,792.30 = 1,898,771.40/x
  3. Step 3: Cross multiply
    2,961,145.80x = 4,443,792.30 × 1,898,771.40
  4. Step 4: Simplify right side
    2,961,145.80x = 8,437,745,726,780.22
  5. Step 5: Solve for x
    x = 8,437,745,726,780.22/2,961,145.80
  6. Step 6: Final answer
    x = 2,849,486.75

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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.