Finding the Fourth Proportional to 5,689,769.13, 7,851,805.88 and 3,242,525.85
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Solution
The fourth proportional to 5,689,769.13, 7,851,805.88 and 3,242,525.85 is: 4,474,642.63
Step by Step Solution
- Step 1: Write the proportion equation
5,689,769.13 : 7,851,805.88 = 3,242,525.85 : x - Step 2: Convert to fraction form
5,689,769.13/7,851,805.88 = 3,242,525.85/x - Step 3: Cross multiply
5,689,769.13x = 7,851,805.88 × 3,242,525.85 - Step 4: Simplify right side
5,689,769.13x = 25,459,683,518,869.37 - Step 5: Solve for x
x = 25,459,683,518,869.37/5,689,769.13 - Step 6: Final answer
x = 4,474,642.63
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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.