Finding the Fourth Proportional to 2,121,527.70, 2,920,314.06 and 1,849,122.54
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Solution
The fourth proportional to 2,121,527.70, 2,920,314.06 and 1,849,122.54 is: 2,545,344.35
Step by Step Solution
- Step 1: Write the proportion equation
2,121,527.70 : 2,920,314.06 = 1,849,122.54 : x - Step 2: Convert to fraction form
2,121,527.70/2,920,314.06 = 1,849,122.54/x - Step 3: Cross multiply
2,121,527.70x = 2,920,314.06 × 1,849,122.54 - Step 4: Simplify right side
2,121,527.70x = 5,400,018,552,224.91 - Step 5: Solve for x
x = 5,400,018,552,224.91/2,121,527.70 - Step 6: Final answer
x = 2,545,344.35
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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.