Finding the Fourth Proportional to 3,630,804.48, 5,010,468.84 and 1,999,177.74
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Solution
The fourth proportional to 3,630,804.48, 5,010,468.84 and 1,999,177.74 is: 2,758,842.52
Step by Step Solution
- Step 1: Write the proportion equation
3,630,804.48 : 5,010,468.84 = 1,999,177.74 : x - Step 2: Convert to fraction form
3,630,804.48/5,010,468.84 = 1,999,177.74/x - Step 3: Cross multiply
3,630,804.48x = 5,010,468.84 × 1,999,177.74 - Step 4: Simplify right side
3,630,804.48x = 10,016,817,771,891.62 - Step 5: Solve for x
x = 10,016,817,771,891.62/3,630,804.48 - Step 6: Final answer
x = 2,758,842.52
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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.