Home / 1,628,863.40-2,443,295.10-1,365,111.20

Finding the Fourth Proportional to 1,628,863.40, 2,443,295.10 and 1,365,111.20

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Solution

The fourth proportional to 1,628,863.40, 2,443,295.10 and 1,365,111.20 is: 2,047,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,863.40 : 2,443,295.10 = 1,365,111.20 : x
  2. Step 2: Convert to fraction form
    1,628,863.40/2,443,295.10 = 1,365,111.20/x
  3. Step 3: Cross multiply
    1,628,863.40x = 2,443,295.10 × 1,365,111.20
  4. Step 4: Simplify right side
    1,628,863.40x = 3,335,369,505,915.12
  5. Step 5: Solve for x
    x = 3,335,369,505,915.12/1,628,863.40
  6. Step 6: Final answer
    x = 2,047,666.80

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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.