Finding the Fourth Proportional to 2,870,995.14, 3,961,953.81 and 1,581,805.62
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Solution
The fourth proportional to 2,870,995.14, 3,961,953.81 and 1,581,805.62 is: 2,182,881.02
Step by Step Solution
- Step 1: Write the proportion equation
2,870,995.14 : 3,961,953.81 = 1,581,805.62 : x - Step 2: Convert to fraction form
2,870,995.14/3,961,953.81 = 1,581,805.62/x - Step 3: Cross multiply
2,870,995.14x = 3,961,953.81 × 1,581,805.62 - Step 4: Simplify right side
2,870,995.14x = 6,267,040,802,838.41 - Step 5: Solve for x
x = 6,267,040,802,838.41/2,870,995.14 - Step 6: Final answer
x = 2,182,881.02
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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.