Finding the Fourth Proportional to 3,430,344.69, 4,734,735.86 and 2,329,638.53
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Solution
The fourth proportional to 3,430,344.69, 4,734,735.86 and 2,329,638.53 is: 3,215,485.34
Step by Step Solution
- Step 1: Write the proportion equation
3,430,344.69 : 4,734,735.86 = 2,329,638.53 : x - Step 2: Convert to fraction form
3,430,344.69/4,734,735.86 = 2,329,638.53/x - Step 3: Cross multiply
3,430,344.69x = 4,734,735.86 × 2,329,638.53 - Step 4: Simplify right side
3,430,344.69x = 11,030,223,070,979.10 - Step 5: Solve for x
x = 11,030,223,070,979.10/3,430,344.69 - Step 6: Final answer
x = 3,215,485.34
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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.