Finding the Fourth Proportional to 6,289,965.99, 8,658,732.38 and 4,655,292.84
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Solution
The fourth proportional to 6,289,965.99, 8,658,732.38 and 4,655,292.84 is: 6,408,450.36
Step by Step Solution
- Step 1: Write the proportion equation
6,289,965.99 : 8,658,732.38 = 4,655,292.84 : x - Step 2: Convert to fraction form
6,289,965.99/8,658,732.38 = 4,655,292.84/x - Step 3: Cross multiply
6,289,965.99x = 8,658,732.38 × 4,655,292.84 - Step 4: Simplify right side
6,289,965.99x = 40,308,934,828,813.70 - Step 5: Solve for x
x = 40,308,934,828,813.70/6,289,965.99 - Step 6: Final answer
x = 6,408,450.36
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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.