Finding the Fourth Proportional to 6,712,687.16, 10,062,289.20 and 2,160,390.68
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Solution
The fourth proportional to 6,712,687.16, 10,062,289.20 and 2,160,390.68 is: 3,238,416.34
Step by Step Solution
- Step 1: Write the proportion equation
6,712,687.16 : 10,062,289.20 = 2,160,390.68 : x - Step 2: Convert to fraction form
6,712,687.16/10,062,289.20 = 2,160,390.68/x - Step 3: Cross multiply
6,712,687.16x = 10,062,289.20 × 2,160,390.68 - Step 4: Simplify right side
6,712,687.16x = 21,738,475,807,144.66 - Step 5: Solve for x
x = 21,738,475,807,144.66/6,712,687.16 - Step 6: Final answer
x = 3,238,416.34
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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.