Finding the Fourth Proportional to 4,914,347.36, 7,374,842.54 and 1,719,501.21
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Solution
The fourth proportional to 4,914,347.36, 7,374,842.54 and 1,719,501.21 is: 2,580,413.99
Step by Step Solution
- Step 1: Write the proportion equation
4,914,347.36 : 7,374,842.54 = 1,719,501.21 : x - Step 2: Convert to fraction form
4,914,347.36/7,374,842.54 = 1,719,501.21/x - Step 3: Cross multiply
4,914,347.36x = 7,374,842.54 × 1,719,501.21 - Step 4: Simplify right side
4,914,347.36x = 12,681,050,668,940.10 - Step 5: Solve for x
x = 12,681,050,668,940.10/4,914,347.36 - Step 6: Final answer
x = 2,580,413.99
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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.