Finding the Fourth Proportional to 1,691,924.04, 2,335,413.49 and 1,512,562.70
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Solution
The fourth proportional to 1,691,924.04, 2,335,413.49 and 1,512,562.70 is: 2,087,835.65
Step by Step Solution
- Step 1: Write the proportion equation
1,691,924.04 : 2,335,413.49 = 1,512,562.70 : x - Step 2: Convert to fraction form
1,691,924.04/2,335,413.49 = 1,512,562.70/x - Step 3: Cross multiply
1,691,924.04x = 2,335,413.49 × 1,512,562.70 - Step 4: Simplify right side
1,691,924.04x = 3,532,459,334,050.82 - Step 5: Solve for x
x = 3,532,459,334,050.82/1,691,924.04 - Step 6: Final answer
x = 2,087,835.65
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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.