Finding the Fourth Proportional to 2,872,992.08, 3,964,907.60 and 1,583,830.10
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Solution
The fourth proportional to 2,872,992.08, 3,964,907.60 and 1,583,830.10 is: 2,185,783.95
Step by Step Solution
- Step 1: Write the proportion equation
2,872,992.08 : 3,964,907.60 = 1,583,830.10 : x - Step 2: Convert to fraction form
2,872,992.08/3,964,907.60 = 1,583,830.10/x - Step 3: Cross multiply
2,872,992.08x = 3,964,907.60 × 1,583,830.10 - Step 4: Simplify right side
2,872,992.08x = 6,279,739,972,855.07 - Step 5: Solve for x
x = 6,279,739,972,855.07/2,872,992.08 - Step 6: Final answer
x = 2,185,783.95
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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.