Finding the Fourth Proportional to 1,815,926.23, 2,505,378.36 and 1,171,774.54
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Solution
The fourth proportional to 1,815,926.23, 2,505,378.36 and 1,171,774.54 is: 1,616,661.80
Step by Step Solution
- Step 1: Write the proportion equation
1,815,926.23 : 2,505,378.36 = 1,171,774.54 : x - Step 2: Convert to fraction form
1,815,926.23/2,505,378.36 = 1,171,774.54/x - Step 3: Cross multiply
1,815,926.23x = 2,505,378.36 × 1,171,774.54 - Step 4: Simplify right side
1,815,926.23x = 2,935,738,575,314.95 - Step 5: Solve for x
x = 2,935,738,575,314.95/1,815,926.23 - Step 6: Final answer
x = 1,616,661.80
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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.