Finding the Fourth Proportional to 1,975,828.44, 2,726,626.14 and 1,070,408.28
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Solution
The fourth proportional to 1,975,828.44, 2,726,626.14 and 1,070,408.28 is: 1,477,154.16
Step by Step Solution
- Step 1: Write the proportion equation
1,975,828.44 : 2,726,626.14 = 1,070,408.28 : x - Step 2: Convert to fraction form
1,975,828.44/2,726,626.14 = 1,070,408.28/x - Step 3: Cross multiply
1,975,828.44x = 2,726,626.14 × 1,070,408.28 - Step 4: Simplify right side
1,975,828.44x = 2,918,603,196,720.44 - Step 5: Solve for x
x = 2,918,603,196,720.44/1,975,828.44 - Step 6: Final answer
x = 1,477,154.16
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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.