Finding the Fourth Proportional to 2,709,703.94, 3,739,556.77 and 1,563,858.09
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Solution
The fourth proportional to 2,709,703.94, 3,739,556.77 and 1,563,858.09 is: 2,158,219.59
Step by Step Solution
- Step 1: Write the proportion equation
2,709,703.94 : 3,739,556.77 = 1,563,858.09 : x - Step 2: Convert to fraction form
2,709,703.94/3,739,556.77 = 1,563,858.09/x - Step 3: Cross multiply
2,709,703.94x = 3,739,556.77 × 1,563,858.09 - Step 4: Simplify right side
2,709,703.94x = 5,848,136,103,869.12 - Step 5: Solve for x
x = 5,848,136,103,869.12/2,709,703.94 - Step 6: Final answer
x = 2,158,219.59
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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.