Finding the Fourth Proportional to 2,796,998.41, 3,859,829.80 and 1,556,587.97
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Solution
The fourth proportional to 2,796,998.41, 3,859,829.80 and 1,556,587.97 is: 2,148,075.81
Step by Step Solution
- Step 1: Write the proportion equation
2,796,998.41 : 3,859,829.80 = 1,556,587.97 : x - Step 2: Convert to fraction form
2,796,998.41/3,859,829.80 = 1,556,587.97/x - Step 3: Cross multiply
2,796,998.41x = 3,859,829.80 × 1,556,587.97 - Step 4: Simplify right side
2,796,998.41x = 6,008,164,624,211.25 - Step 5: Solve for x
x = 6,008,164,624,211.25/2,796,998.41 - Step 6: Final answer
x = 2,148,075.81
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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.