Finding the Fourth Proportional to 2,972,358.72, 4,101,855.84 and 1,614,231.36
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Solution
The fourth proportional to 2,972,358.72, 4,101,855.84 and 1,614,231.36 is: 2,227,639.71
Step by Step Solution
- Step 1: Write the proportion equation
2,972,358.72 : 4,101,855.84 = 1,614,231.36 : x - Step 2: Convert to fraction form
2,972,358.72/4,101,855.84 = 1,614,231.36/x - Step 3: Cross multiply
2,972,358.72x = 4,101,855.84 × 1,614,231.36 - Step 4: Simplify right side
2,972,358.72x = 6,621,344,331,127.14 - Step 5: Solve for x
x = 6,621,344,331,127.14/2,972,358.72 - Step 6: Final answer
x = 2,227,639.71
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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.