Finding the Fourth Proportional to 2,379,434.65, 3,564,821.67 and 2,124,342.97
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Solution
The fourth proportional to 2,379,434.65, 3,564,821.67 and 2,124,342.97 is: 3,182,648.39
Step by Step Solution
- Step 1: Write the proportion equation
2,379,434.65 : 3,564,821.67 = 2,124,342.97 : x - Step 2: Convert to fraction form
2,379,434.65/3,564,821.67 = 2,124,342.97/x - Step 3: Cross multiply
2,379,434.65x = 3,564,821.67 × 2,124,342.97 - Step 4: Simplify right side
2,379,434.65x = 7,572,903,853,968.16 - Step 5: Solve for x
x = 7,572,903,853,968.16/2,379,434.65 - Step 6: Final answer
x = 3,182,648.39
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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.