Finding the Fourth Proportional to 4,389,211.20, 6,573,319.20 and 3,549,403.20
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Solution
The fourth proportional to 4,389,211.20, 6,573,319.20 and 3,549,403.20 is: 5,315,615.75
Step by Step Solution
- Step 1: Write the proportion equation
4,389,211.20 : 6,573,319.20 = 3,549,403.20 : x - Step 2: Convert to fraction form
4,389,211.20/6,573,319.20 = 3,549,403.20/x - Step 3: Cross multiply
4,389,211.20x = 6,573,319.20 × 3,549,403.20 - Step 4: Simplify right side
4,389,211.20x = 23,331,360,203,101.44 - Step 5: Solve for x
x = 23,331,360,203,101.44/4,389,211.20 - Step 6: Final answer
x = 5,315,615.75
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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.