Home / 3,409,790.72-5,110,409.28-1,808,401.28

Finding the Fourth Proportional to 3,409,790.72, 5,110,409.28 and 1,808,401.28

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Solution

The fourth proportional to 3,409,790.72, 5,110,409.28 and 1,808,401.28 is: 2,710,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,790.72 : 5,110,409.28 = 1,808,401.28 : x
  2. Step 2: Convert to fraction form
    3,409,790.72/5,110,409.28 = 1,808,401.28/x
  3. Step 3: Cross multiply
    3,409,790.72x = 5,110,409.28 × 1,808,401.28
  4. Step 4: Simplify right side
    3,409,790.72x = 9,241,670,683,275.88
  5. Step 5: Solve for x
    x = 9,241,670,683,275.88/3,409,790.72
  6. Step 6: Final answer
    x = 2,710,333.70

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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.