Finding the Fourth Proportional to 5,599,313.40, 8,389,638.90 and 5,263,390.20
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Solution
The fourth proportional to 5,599,313.40, 8,389,638.90 and 5,263,390.20 is: 7,886,313.91
Step by Step Solution
- Step 1: Write the proportion equation
5,599,313.40 : 8,389,638.90 = 5,263,390.20 : x - Step 2: Convert to fraction form
5,599,313.40/8,389,638.90 = 5,263,390.20/x - Step 3: Cross multiply
5,599,313.40x = 8,389,638.90 × 5,263,390.20 - Step 4: Simplify right side
5,599,313.40x = 44,157,943,167,798.78 - Step 5: Solve for x
x = 44,157,943,167,798.78/5,599,313.40 - Step 6: Final answer
x = 7,886,313.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.