Finding the Fourth Proportional to 1,618,436.18, 2,232,070.67 and 973,735.92
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Solution
The fourth proportional to 1,618,436.18, 2,232,070.67 and 973,735.92 is: 1,342,930.55
Step by Step Solution
- Step 1: Write the proportion equation
1,618,436.18 : 2,232,070.67 = 973,735.92 : x - Step 2: Convert to fraction form
1,618,436.18/2,232,070.67 = 973,735.92/x - Step 3: Cross multiply
1,618,436.18x = 2,232,070.67 × 973,735.92 - Step 4: Simplify right side
1,618,436.18x = 2,173,447,382,488.79 - Step 5: Solve for x
x = 2,173,447,382,488.79/1,618,436.18 - Step 6: Final answer
x = 1,342,930.55
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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.