Finding the Fourth Proportional to 2,421,411.81, 3,631,621.99 and 904,814.79
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Solution
The fourth proportional to 2,421,411.81, 3,631,621.99 and 904,814.79 is: 1,357,036.94
Step by Step Solution
- Step 1: Write the proportion equation
2,421,411.81 : 3,631,621.99 = 904,814.79 : x - Step 2: Convert to fraction form
2,421,411.81/3,631,621.99 = 904,814.79/x - Step 3: Cross multiply
2,421,411.81x = 3,631,621.99 × 904,814.79 - Step 4: Simplify right side
2,421,411.81x = 3,285,945,283,717.16 - Step 5: Solve for x
x = 3,285,945,283,717.16/2,421,411.81 - Step 6: Final answer
x = 1,357,036.94
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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.