Finding the Fourth Proportional to 5,035,995.54, 7,556,924.30 and 2,117,878.74
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Solution
The fourth proportional to 5,035,995.54, 7,556,924.30 and 2,117,878.74 is: 3,178,050.73
Step by Step Solution
- Step 1: Write the proportion equation
5,035,995.54 : 7,556,924.30 = 2,117,878.74 : x - Step 2: Convert to fraction form
5,035,995.54/7,556,924.30 = 2,117,878.74/x - Step 3: Cross multiply
5,035,995.54x = 7,556,924.30 × 2,117,878.74 - Step 4: Simplify right side
5,035,995.54x = 16,004,649,304,169.99 - Step 5: Solve for x
x = 16,004,649,304,169.99/5,035,995.54 - Step 6: Final answer
x = 3,178,050.73
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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.