Finding the Fourth Proportional to 1,368,692.84, 1,888,168.32 and 885,413.84
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Solution
The fourth proportional to 1,368,692.84, 1,888,168.32 and 885,413.84 is: 1,221,464.96
Step by Step Solution
- Step 1: Write the proportion equation
1,368,692.84 : 1,888,168.32 = 885,413.84 : x - Step 2: Convert to fraction form
1,368,692.84/1,888,168.32 = 885,413.84/x - Step 3: Cross multiply
1,368,692.84x = 1,888,168.32 × 885,413.84 - Step 4: Simplify right side
1,368,692.84x = 1,671,810,353,336.71 - Step 5: Solve for x
x = 1,671,810,353,336.71/1,368,692.84 - Step 6: Final answer
x = 1,221,464.96
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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.