Finding the Fourth Proportional to 1,566,129, 2,349,193.50 and 679,665
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Solution
The fourth proportional to 1,566,129, 2,349,193.50 and 679,665 is: 1,019,497.50
Step by Step Solution
- Step 1: Write the proportion equation
1,566,129 : 2,349,193.50 = 679,665 : x - Step 2: Convert to fraction form
1,566,129/2,349,193.50 = 679,665/x - Step 3: Cross multiply
1,566,129x = 2,349,193.50 × 679,665 - Step 4: Simplify right side
1,566,129x = 1,596,664,600,177.50 - Step 5: Solve for x
x = 1,596,664,600,177.50/1,566,129 - Step 6: Final answer
x = 1,019,497.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.