Finding the Fourth Proportional to 2,796,174.19, 3,858,683.70 and 1,572,479.31
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Solution
The fourth proportional to 2,796,174.19, 3,858,683.70 and 1,572,479.31 is: 2,170,000.82
Step by Step Solution
- Step 1: Write the proportion equation
2,796,174.19 : 3,858,683.70 = 1,572,479.31 : x - Step 2: Convert to fraction form
2,796,174.19/3,858,683.70 = 1,572,479.31/x - Step 3: Cross multiply
2,796,174.19x = 3,858,683.70 × 1,572,479.31 - Step 4: Simplify right side
2,796,174.19x = 6,067,700,282,084.25 - Step 5: Solve for x
x = 6,067,700,282,084.25/2,796,174.19 - Step 6: Final answer
x = 2,170,000.82
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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.