Finding the Fourth Proportional to 1,815,937.25, 2,505,807.95 and 1,118,107.26
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Solution
The fourth proportional to 1,815,937.25, 2,505,807.95 and 1,118,107.26 is: 1,542,873.83
Step by Step Solution
- Step 1: Write the proportion equation
1,815,937.25 : 2,505,807.95 = 1,118,107.26 : x - Step 2: Convert to fraction form
1,815,937.25/2,505,807.95 = 1,118,107.26/x - Step 3: Cross multiply
1,815,937.25x = 2,505,807.95 × 1,118,107.26 - Step 4: Simplify right side
1,815,937.25x = 2,801,762,055,470.18 - Step 5: Solve for x
x = 2,801,762,055,470.18/1,815,937.25 - Step 6: Final answer
x = 1,542,873.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.