Finding the Fourth Proportional to 1,456,245.70, 2,184,368.55 and 1,207,413.70
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Solution
The fourth proportional to 1,456,245.70, 2,184,368.55 and 1,207,413.70 is: 1,811,120.55
Step by Step Solution
- Step 1: Write the proportion equation
1,456,245.70 : 2,184,368.55 = 1,207,413.70 : x - Step 2: Convert to fraction form
1,456,245.70/2,184,368.55 = 1,207,413.70/x - Step 3: Cross multiply
1,456,245.70x = 2,184,368.55 × 1,207,413.70 - Step 4: Simplify right side
1,456,245.70x = 2,637,436,513,119.13 - Step 5: Solve for x
x = 2,637,436,513,119.13/1,456,245.70 - Step 6: Final answer
x = 1,811,120.55
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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.