Finding the Fourth Proportional to 1,975,836.44, 2,726,637.18 and 1,070,416.28
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Solution
The fourth proportional to 1,975,836.44, 2,726,637.18 and 1,070,416.28 is: 1,477,165.20
Step by Step Solution
- Step 1: Write the proportion equation
1,975,836.44 : 2,726,637.18 = 1,070,416.28 : x - Step 2: Convert to fraction form
1,975,836.44/2,726,637.18 = 1,070,416.28/x - Step 3: Cross multiply
1,975,836.44x = 2,726,637.18 × 1,070,416.28 - Step 4: Simplify right side
1,975,836.44x = 2,918,636,827,125.29 - Step 5: Solve for x
x = 2,918,636,827,125.29/1,975,836.44 - Step 6: Final answer
x = 1,477,165.20
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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.