Home / 2,980,347.41-4,470,562.13-850,430.85

Finding the Fourth Proportional to 2,980,347.41, 4,470,562.13 and 850,430.85

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Solution

The fourth proportional to 2,980,347.41, 4,470,562.13 and 850,430.85 is: 1,275,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,347.41 : 4,470,562.13 = 850,430.85 : x
  2. Step 2: Convert to fraction form
    2,980,347.41/4,470,562.13 = 850,430.85/x
  3. Step 3: Cross multiply
    2,980,347.41x = 4,470,562.13 × 850,430.85
  4. Step 4: Simplify right side
    2,980,347.41x = 3,801,903,931,176.95
  5. Step 5: Solve for x
    x = 3,801,903,931,176.95/2,980,347.41
  6. Step 6: Final answer
    x = 1,275,657.97

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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.