Home / 1,628,861.40-2,443,292.10-1,365,109.20

Finding the Fourth Proportional to 1,628,861.40, 2,443,292.10 and 1,365,109.20

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Solution

The fourth proportional to 1,628,861.40, 2,443,292.10 and 1,365,109.20 is: 2,047,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,861.40 : 2,443,292.10 = 1,365,109.20 : x
  2. Step 2: Convert to fraction form
    1,628,861.40/2,443,292.10 = 1,365,109.20/x
  3. Step 3: Cross multiply
    1,628,861.40x = 2,443,292.10 × 1,365,109.20
  4. Step 4: Simplify right side
    1,628,861.40x = 3,335,360,523,997.32
  5. Step 5: Solve for x
    x = 3,335,360,523,997.32/1,628,861.40
  6. Step 6: Final answer
    x = 2,047,663.80

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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.