Finding the Fourth Proportional to 6,252,623.84, 9,378,921.18 and 4,107,191.42
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Solution
The fourth proportional to 6,252,623.84, 9,378,921.18 and 4,107,191.42 is: 6,160,777.55
Step by Step Solution
- Step 1: Write the proportion equation
6,252,623.84 : 9,378,921.18 = 4,107,191.42 : x - Step 2: Convert to fraction form
6,252,623.84/9,378,921.18 = 4,107,191.42/x - Step 3: Cross multiply
6,252,623.84x = 9,378,921.18 × 4,107,191.42 - Step 4: Simplify right side
6,252,623.84x = 38,521,024,599,352.27 - Step 5: Solve for x
x = 38,521,024,599,352.27/6,252,623.84 - Step 6: Final answer
x = 6,160,777.55
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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.