Finding the Fourth Proportional to 2,168,537.67, 2,992,599.54 and 1,201,684.01
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Solution
The fourth proportional to 2,168,537.67, 2,992,599.54 and 1,201,684.01 is: 1,658,333.66
Step by Step Solution
- Step 1: Write the proportion equation
2,168,537.67 : 2,992,599.54 = 1,201,684.01 : x - Step 2: Convert to fraction form
2,168,537.67/2,992,599.54 = 1,201,684.01/x - Step 3: Cross multiply
2,168,537.67x = 2,992,599.54 × 1,201,684.01 - Step 4: Simplify right side
2,168,537.67x = 3,596,159,000,588.36 - Step 5: Solve for x
x = 3,596,159,000,588.36/2,168,537.67 - Step 6: Final answer
x = 1,658,333.66
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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.