Finding the Fourth Proportional to 7,590,990.11, 11,386,702.64 and 2,979,784.44
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Solution
The fourth proportional to 7,590,990.11, 11,386,702.64 and 2,979,784.44 is: 4,469,762.03
Step by Step Solution
- Step 1: Write the proportion equation
7,590,990.11 : 11,386,702.64 = 2,979,784.44 : x - Step 2: Convert to fraction form
7,590,990.11/11,386,702.64 = 2,979,784.44/x - Step 3: Cross multiply
7,590,990.11x = 11,386,702.64 × 2,979,784.44 - Step 4: Simplify right side
7,590,990.11x = 33,929,919,357,028.38 - Step 5: Solve for x
x = 33,929,919,357,028.38/7,590,990.11 - Step 6: Final answer
x = 4,469,762.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.