Home / 3,140,808.30-4,711,212.45-2,821,943.70

Finding the Fourth Proportional to 3,140,808.30, 4,711,212.45 and 2,821,943.70

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Solution

The fourth proportional to 3,140,808.30, 4,711,212.45 and 2,821,943.70 is: 4,232,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,808.30 : 4,711,212.45 = 2,821,943.70 : x
  2. Step 2: Convert to fraction form
    3,140,808.30/4,711,212.45 = 2,821,943.70/x
  3. Step 3: Cross multiply
    3,140,808.30x = 4,711,212.45 × 2,821,943.70
  4. Step 4: Simplify right side
    3,140,808.30x = 13,294,776,292,639.07
  5. Step 5: Solve for x
    x = 13,294,776,292,639.07/3,140,808.30
  6. Step 6: Final answer
    x = 4,232,915.55

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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.