Finding the Fourth Proportional to 5,460,801.60, 8,197,423.20 and 3,218,203.20
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Solution
The fourth proportional to 5,460,801.60, 8,197,423.20 and 3,218,203.20 is: 4,830,970.89
Step by Step Solution
- Step 1: Write the proportion equation
5,460,801.60 : 8,197,423.20 = 3,218,203.20 : x - Step 2: Convert to fraction form
5,460,801.60/8,197,423.20 = 3,218,203.20/x - Step 3: Cross multiply
5,460,801.60x = 8,197,423.20 × 3,218,203.20 - Step 4: Simplify right side
5,460,801.60x = 26,380,973,573,994.24 - Step 5: Solve for x
x = 26,380,973,573,994.24/5,460,801.60 - Step 6: Final answer
x = 4,830,970.89
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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.