Finding the Fourth Proportional to 5,520,534.18, 8,281,700.12 and 1,630,384.98
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Solution
The fourth proportional to 5,520,534.18, 8,281,700.12 and 1,630,384.98 is: 2,445,842.93
Step by Step Solution
- Step 1: Write the proportion equation
5,520,534.18 : 8,281,700.12 = 1,630,384.98 : x - Step 2: Convert to fraction form
5,520,534.18/8,281,700.12 = 1,630,384.98/x - Step 3: Cross multiply
5,520,534.18x = 8,281,700.12 × 1,630,384.98 - Step 4: Simplify right side
5,520,534.18x = 13,502,359,484,512.20 - Step 5: Solve for x
x = 13,502,359,484,512.20/5,520,534.18 - Step 6: Final answer
x = 2,445,842.93
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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.