Finding the Fourth Proportional to 5,520,534.68, 8,281,700.86 and 1,630,385.48
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Solution
The fourth proportional to 5,520,534.68, 8,281,700.86 and 1,630,385.48 is: 2,445,843.68
Step by Step Solution
- Step 1: Write the proportion equation
5,520,534.68 : 8,281,700.86 = 1,630,385.48 : x - Step 2: Convert to fraction form
5,520,534.68/8,281,700.86 = 1,630,385.48/x - Step 3: Cross multiply
5,520,534.68x = 8,281,700.86 × 1,630,385.48 - Step 4: Simplify right side
5,520,534.68x = 13,502,364,831,847.51 - Step 5: Solve for x
x = 13,502,364,831,847.51/5,520,534.68 - Step 6: Final answer
x = 2,445,843.68
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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.