Home / 5,575,661.50-8,363,492.70-1,981,570.30

Finding the Fourth Proportional to 5,575,661.50, 8,363,492.70 and 1,981,570.30

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Solution

The fourth proportional to 5,575,661.50, 8,363,492.70 and 1,981,570.30 is: 2,972,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575,661.50 : 8,363,492.70 = 1,981,570.30 : x
  2. Step 2: Convert to fraction form
    5,575,661.50/8,363,492.70 = 1,981,570.30/x
  3. Step 3: Cross multiply
    5,575,661.50x = 8,363,492.70 × 1,981,570.30
  4. Step 4: Simplify right side
    5,575,661.50x = 16,572,848,738,586.81
  5. Step 5: Solve for x
    x = 16,572,848,738,586.81/5,575,661.50
  6. Step 6: Final answer
    x = 2,972,355.61

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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.