Home / 1,973,586.84-2,723,615.73-1,209,492.78

Finding the Fourth Proportional to 1,973,586.84, 2,723,615.73 and 1,209,492.78

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Solution

The fourth proportional to 1,973,586.84, 2,723,615.73 and 1,209,492.78 is: 1,669,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,586.84 : 2,723,615.73 = 1,209,492.78 : x
  2. Step 2: Convert to fraction form
    1,973,586.84/2,723,615.73 = 1,209,492.78/x
  3. Step 3: Cross multiply
    1,973,586.84x = 2,723,615.73 × 1,209,492.78
  4. Step 4: Simplify right side
    1,973,586.84x = 3,294,193,560,929.43
  5. Step 5: Solve for x
    x = 3,294,193,560,929.43/1,973,586.84
  6. Step 6: Final answer
    x = 1,669,140.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.