Finding the Fourth Proportional to 4,635,618.60, 6,953,427.90 and 1,643,413.80
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Solution
The fourth proportional to 4,635,618.60, 6,953,427.90 and 1,643,413.80 is: 2,465,120.70
Step by Step Solution
- Step 1: Write the proportion equation
4,635,618.60 : 6,953,427.90 = 1,643,413.80 : x - Step 2: Convert to fraction form
4,635,618.60/6,953,427.90 = 1,643,413.80/x - Step 3: Cross multiply
4,635,618.60x = 6,953,427.90 × 1,643,413.80 - Step 4: Simplify right side
4,635,618.60x = 11,427,359,368,165.02 - Step 5: Solve for x
x = 11,427,359,368,165.02/4,635,618.60 - Step 6: Final answer
x = 2,465,120.70
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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.