Finding the Fourth Proportional to 2,424,253.65, 3,344,728.70 and 1,405,455.09
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Solution
The fourth proportional to 2,424,253.65, 3,344,728.70 and 1,405,455.09 is: 1,939,098.23
Step by Step Solution
- Step 1: Write the proportion equation
2,424,253.65 : 3,344,728.70 = 1,405,455.09 : x - Step 2: Convert to fraction form
2,424,253.65/3,344,728.70 = 1,405,455.09/x - Step 3: Cross multiply
2,424,253.65x = 3,344,728.70 × 1,405,455.09 - Step 4: Simplify right side
2,424,253.65x = 4,700,865,969,056.81 - Step 5: Solve for x
x = 4,700,865,969,056.81/2,424,253.65 - Step 6: Final answer
x = 1,939,098.23
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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.