Home / 2,895,483.80-4,343,744.10-1,212,757.40

Finding the Fourth Proportional to 2,895,483.80, 4,343,744.10 and 1,212,757.40

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Solution

The fourth proportional to 2,895,483.80, 4,343,744.10 and 1,212,757.40 is: 1,819,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,483.80 : 4,343,744.10 = 1,212,757.40 : x
  2. Step 2: Convert to fraction form
    2,895,483.80/4,343,744.10 = 1,212,757.40/x
  3. Step 3: Cross multiply
    2,895,483.80x = 4,343,744.10 × 1,212,757.40
  4. Step 4: Simplify right side
    2,895,483.80x = 5,267,907,800,981.34
  5. Step 5: Solve for x
    x = 5,267,907,800,981.34/2,895,483.80
  6. Step 6: Final answer
    x = 1,819,353.23

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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.