Finding the Fourth Proportional to 5,239,643.06, 7,860,636.79 and 1,596,658.05
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Solution
The fourth proportional to 5,239,643.06, 7,860,636.79 and 1,596,658.05 is: 2,395,344.27
Step by Step Solution
- Step 1: Write the proportion equation
5,239,643.06 : 7,860,636.79 = 1,596,658.05 : x - Step 2: Convert to fraction form
5,239,643.06/7,860,636.79 = 1,596,658.05/x - Step 3: Cross multiply
5,239,643.06x = 7,860,636.79 × 1,596,658.05 - Step 4: Simplify right side
5,239,643.06x = 12,550,748,995,177.21 - Step 5: Solve for x
x = 12,550,748,995,177.21/5,239,643.06 - Step 6: Final answer
x = 2,395,344.27
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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.