Finding the Fourth Proportional to 3,873,179.18, 5,344,973.00 and 2,154,299.70
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Solution
The fourth proportional to 3,873,179.18, 5,344,973.00 and 2,154,299.70 is: 2,972,925.65
Step by Step Solution
- Step 1: Write the proportion equation
3,873,179.18 : 5,344,973.00 = 2,154,299.70 : x - Step 2: Convert to fraction form
3,873,179.18/5,344,973.00 = 2,154,299.70/x - Step 3: Cross multiply
3,873,179.18x = 5,344,973.00 × 2,154,299.70 - Step 4: Simplify right side
3,873,179.18x = 11,514,673,735,793.85 - Step 5: Solve for x
x = 11,514,673,735,793.85/3,873,179.18 - Step 6: Final answer
x = 2,972,925.65
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1.5x scale
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.