Finding the Fourth Proportional to 6,817,413.60, 9,408,226.14 and 3,761,824.68
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Solution
The fourth proportional to 6,817,413.60, 9,408,226.14 and 3,761,824.68 is: 5,191,425.86
Step by Step Solution
- Step 1: Write the proportion equation
6,817,413.60 : 9,408,226.14 = 3,761,824.68 : x - Step 2: Convert to fraction form
6,817,413.60/9,408,226.14 = 3,761,824.68/x - Step 3: Cross multiply
6,817,413.60x = 9,408,226.14 × 3,761,824.68 - Step 4: Simplify right side
6,817,413.60x = 35,392,097,288,473.14 - Step 5: Solve for x
x = 35,392,097,288,473.14/6,817,413.60 - Step 6: Final answer
x = 5,191,425.86
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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.