Finding the Fourth Proportional to 2,771,186.16, 3,822,828.12 and 1,683,168.24
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Solution
The fourth proportional to 2,771,186.16, 3,822,828.12 and 1,683,168.24 is: 2,321,916.50
Step by Step Solution
- Step 1: Write the proportion equation
2,771,186.16 : 3,822,828.12 = 1,683,168.24 : x - Step 2: Convert to fraction form
2,771,186.16/3,822,828.12 = 1,683,168.24/x - Step 3: Cross multiply
2,771,186.16x = 3,822,828.12 × 1,683,168.24 - Step 4: Simplify right side
2,771,186.16x = 6,434,462,878,562.91 - Step 5: Solve for x
x = 6,434,462,878,562.91/2,771,186.16 - Step 6: Final answer
x = 2,321,916.50
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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.