Finding the Fourth Proportional to 3,611,156.99, 5,417,444.70 and 1,336,700.21
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Solution
The fourth proportional to 3,611,156.99, 5,417,444.70 and 1,336,700.21 is: 2,005,312.83
Step by Step Solution
- Step 1: Write the proportion equation
3,611,156.99 : 5,417,444.70 = 1,336,700.21 : x - Step 2: Convert to fraction form
3,611,156.99/5,417,444.70 = 1,336,700.21/x - Step 3: Cross multiply
3,611,156.99x = 5,417,444.70 × 1,336,700.21 - Step 4: Simplify right side
3,611,156.99x = 7,241,499,441,066.16 - Step 5: Solve for x
x = 7,241,499,441,066.16/3,611,156.99 - Step 6: Final answer
x = 2,005,312.83
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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.