Finding the Fourth Proportional to 6,309,164.52, 8,706,651.12 and 3,408,553.71
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Solution
The fourth proportional to 6,309,164.52, 8,706,651.12 and 3,408,553.71 is: 4,703,806.33
Step by Step Solution
- Step 1: Write the proportion equation
6,309,164.52 : 8,706,651.12 = 3,408,553.71 : x - Step 2: Convert to fraction form
6,309,164.52/8,706,651.12 = 3,408,553.71/x - Step 3: Cross multiply
6,309,164.52x = 8,706,651.12 × 3,408,553.71 - Step 4: Simplify right side
6,309,164.52x = 29,677,087,976,751.65 - Step 5: Solve for x
x = 29,677,087,976,751.65/6,309,164.52 - Step 6: Final answer
x = 4,703,806.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.