Finding the Fourth Proportional to 5,578,774.30, 8,364,909.96 and 2,163,070.50
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Solution
The fourth proportional to 5,578,774.30, 8,364,909.96 and 2,163,070.50 is: 3,243,345.04
Step by Step Solution
- Step 1: Write the proportion equation
5,578,774.30 : 8,364,909.96 = 2,163,070.50 : x - Step 2: Convert to fraction form
5,578,774.30/8,364,909.96 = 2,163,070.50/x - Step 3: Cross multiply
5,578,774.30x = 8,364,909.96 × 2,163,070.50 - Step 4: Simplify right side
5,578,774.30x = 18,093,889,969,632.18 - Step 5: Solve for x
x = 18,093,889,969,632.18/5,578,774.30 - Step 6: Final answer
x = 3,243,345.04
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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.