Home / 3,405,269.76-5,106,401.91-975,871.68

Finding the Fourth Proportional to 3,405,269.76, 5,106,401.91 and 975,871.68

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Solution

The fourth proportional to 3,405,269.76, 5,106,401.91 and 975,871.68 is: 1,463,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,269.76 : 5,106,401.91 = 975,871.68 : x
  2. Step 2: Convert to fraction form
    3,405,269.76/5,106,401.91 = 975,871.68/x
  3. Step 3: Cross multiply
    3,405,269.76x = 5,106,401.91 × 975,871.68
  4. Step 4: Simplify right side
    3,405,269.76x = 4,983,193,010,666.91
  5. Step 5: Solve for x
    x = 4,983,193,010,666.91/3,405,269.76
  6. Step 6: Final answer
    x = 1,463,376.87

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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.