Finding the Fourth Proportional to 1,678,864.02, 2,316,174.58 and 1,033,163.22
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Solution
The fourth proportional to 1,678,864.02, 2,316,174.58 and 1,033,163.22 is: 1,425,360.46
Step by Step Solution
- Step 1: Write the proportion equation
1,678,864.02 : 2,316,174.58 = 1,033,163.22 : x - Step 2: Convert to fraction form
1,678,864.02/2,316,174.58 = 1,033,163.22/x - Step 3: Cross multiply
1,678,864.02x = 2,316,174.58 × 1,033,163.22 - Step 4: Simplify right side
1,678,864.02x = 2,392,986,387,154.95 - Step 5: Solve for x
x = 2,392,986,387,154.95/1,678,864.02 - Step 6: Final answer
x = 1,425,360.46
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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.