Finding the Fourth Proportional to 5,010,487.97, 7,506,059.94 and 2,990,345.13
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Solution
The fourth proportional to 5,010,487.97, 7,506,059.94 and 2,990,345.13 is: 4,479,745.28
Step by Step Solution
- Step 1: Write the proportion equation
5,010,487.97 : 7,506,059.94 = 2,990,345.13 : x - Step 2: Convert to fraction form
5,010,487.97/7,506,059.94 = 2,990,345.13/x - Step 3: Cross multiply
5,010,487.97x = 7,506,059.94 × 2,990,345.13 - Step 4: Simplify right side
5,010,487.97x = 22,445,709,787,067.09 - Step 5: Solve for x
x = 22,445,709,787,067.09/5,010,487.97 - Step 6: Final answer
x = 4,479,745.28
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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.