Finding the Fourth Proportional to 1,617,899.95, 2,232,699.27 and 892,747.09
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Solution
The fourth proportional to 1,617,899.95, 2,232,699.27 and 892,747.09 is: 1,231,989.52
Step by Step Solution
- Step 1: Write the proportion equation
1,617,899.95 : 2,232,699.27 = 892,747.09 : x - Step 2: Convert to fraction form
1,617,899.95/2,232,699.27 = 892,747.09/x - Step 3: Cross multiply
1,617,899.95x = 2,232,699.27 × 892,747.09 - Step 4: Simplify right side
1,617,899.95x = 1,993,235,776,137.62 - Step 5: Solve for x
x = 1,993,235,776,137.62/1,617,899.95 - Step 6: Final answer
x = 1,231,989.52
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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.