Home / 6,453,538.92-9,678,050.46-1,903,379.76

Finding the Fourth Proportional to 6,453,538.92, 9,678,050.46 and 1,903,379.76

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Solution

The fourth proportional to 6,453,538.92, 9,678,050.46 and 1,903,379.76 is: 2,854,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,538.92 : 9,678,050.46 = 1,903,379.76 : x
  2. Step 2: Convert to fraction form
    6,453,538.92/9,678,050.46 = 1,903,379.76/x
  3. Step 3: Cross multiply
    6,453,538.92x = 9,678,050.46 × 1,903,379.76
  4. Step 4: Simplify right side
    6,453,538.92x = 18,421,005,361,822.69
  5. Step 5: Solve for x
    x = 18,421,005,361,822.69/6,453,538.92
  6. Step 6: Final answer
    x = 2,854,403.70

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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.