Finding the Fourth Proportional to 2,715,966.12, 3,748,042.50 and 1,492,369.32
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Solution
The fourth proportional to 2,715,966.12, 3,748,042.50 and 1,492,369.32 is: 2,059,474.75
Step by Step Solution
- Step 1: Write the proportion equation
2,715,966.12 : 3,748,042.50 = 1,492,369.32 : x - Step 2: Convert to fraction form
2,715,966.12/3,748,042.50 = 1,492,369.32/x - Step 3: Cross multiply
2,715,966.12x = 3,748,042.50 × 1,492,369.32 - Step 4: Simplify right side
2,715,966.12x = 5,593,463,637,056.10 - Step 5: Solve for x
x = 5,593,463,637,056.10/2,715,966.12 - Step 6: Final answer
x = 2,059,474.75
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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.