Home / 5,345,586.40-8,020,215.60-1,559,624.80

Finding the Fourth Proportional to 5,345,586.40, 8,020,215.60 and 1,559,624.80

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Solution

The fourth proportional to 5,345,586.40, 8,020,215.60 and 1,559,624.80 is: 2,339,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,586.40 : 8,020,215.60 = 1,559,624.80 : x
  2. Step 2: Convert to fraction form
    5,345,586.40/8,020,215.60 = 1,559,624.80/x
  3. Step 3: Cross multiply
    5,345,586.40x = 8,020,215.60 × 1,559,624.80
  4. Step 4: Simplify right side
    5,345,586.40x = 12,508,527,151,106.88
  5. Step 5: Solve for x
    x = 12,508,527,151,106.88/5,345,586.40
  6. Step 6: Final answer
    x = 2,339,972.87

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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.