Home / 2,122,457.60-2,923,412.36-1,631,487.98

Finding the Fourth Proportional to 2,122,457.60, 2,923,412.36 and 1,631,487.98

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Solution

The fourth proportional to 2,122,457.60, 2,923,412.36 and 1,631,487.98 is: 2,247,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,457.60 : 2,923,412.36 = 1,631,487.98 : x
  2. Step 2: Convert to fraction form
    2,122,457.60/2,923,412.36 = 1,631,487.98/x
  3. Step 3: Cross multiply
    2,122,457.60x = 2,923,412.36 × 1,631,487.98
  4. Step 4: Simplify right side
    2,122,457.60x = 4,769,512,125,923.43
  5. Step 5: Solve for x
    x = 4,769,512,125,923.43/2,122,457.60
  6. Step 6: Final answer
    x = 2,247,164.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.