Finding the Fourth Proportional to 6,450,658.14, 9,673,681.71 and 2,131,909.05
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Solution
The fourth proportional to 6,450,658.14, 9,673,681.71 and 2,131,909.05 is: 3,197,101.62
Step by Step Solution
- Step 1: Write the proportion equation
6,450,658.14 : 9,673,681.71 = 2,131,909.05 : x - Step 2: Convert to fraction form
6,450,658.14/9,673,681.71 = 2,131,909.05/x - Step 3: Cross multiply
6,450,658.14x = 9,673,681.71 × 2,131,909.05 - Step 4: Simplify right side
6,450,658.14x = 20,623,409,584,368.48 - Step 5: Solve for x
x = 20,623,409,584,368.48/6,450,658.14 - Step 6: Final answer
x = 3,197,101.62
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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.