Finding the Fourth Proportional to 1,975,832.19, 2,726,631.32 and 1,070,412.03
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Solution
The fourth proportional to 1,975,832.19, 2,726,631.32 and 1,070,412.03 is: 1,477,159.33
Step by Step Solution
- Step 1: Write the proportion equation
1,975,832.19 : 2,726,631.32 = 1,070,412.03 : x - Step 2: Convert to fraction form
1,975,832.19/2,726,631.32 = 1,070,412.03/x - Step 3: Cross multiply
1,975,832.19x = 2,726,631.32 × 1,070,412.03 - Step 4: Simplify right side
1,975,832.19x = 2,918,618,960,950.72 - Step 5: Solve for x
x = 2,918,618,960,950.72/1,975,832.19 - Step 6: Final answer
x = 1,477,159.33
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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.