Finding the Fourth Proportional to 2,148,352.22, 2,964,666.84 and 1,181,482.50
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Solution
The fourth proportional to 2,148,352.22, 2,964,666.84 and 1,181,482.50 is: 1,630,413.28
Step by Step Solution
- Step 1: Write the proportion equation
2,148,352.22 : 2,964,666.84 = 1,181,482.50 : x - Step 2: Convert to fraction form
2,148,352.22/2,964,666.84 = 1,181,482.50/x - Step 3: Cross multiply
2,148,352.22x = 2,964,666.84 × 1,181,482.50 - Step 4: Simplify right side
2,148,352.22x = 3,502,701,989,790.30 - Step 5: Solve for x
x = 3,502,701,989,790.30/2,148,352.22 - Step 6: Final answer
x = 1,630,413.28
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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.