Finding the Fourth Proportional to 4,355,038.55, 6,532,135.50 and 1,322,430.68
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Solution
The fourth proportional to 4,355,038.55, 6,532,135.50 and 1,322,430.68 is: 1,983,517.78
Step by Step Solution
- Step 1: Write the proportion equation
4,355,038.55 : 6,532,135.50 = 1,322,430.68 : x - Step 2: Convert to fraction form
4,355,038.55/6,532,135.50 = 1,322,430.68/x - Step 3: Cross multiply
4,355,038.55x = 6,532,135.50 × 1,322,430.68 - Step 4: Simplify right side
4,355,038.55x = 8,638,296,391,117.14 - Step 5: Solve for x
x = 8,638,296,391,117.14/4,355,038.55 - Step 6: Final answer
x = 1,983,517.78
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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.