Finding the Fourth Proportional to 2,932,995.42, 4,048,101.36 and 1,912,628.70
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Solution
The fourth proportional to 2,932,995.42, 4,048,101.36 and 1,912,628.70 is: 2,639,797.79
Step by Step Solution
- Step 1: Write the proportion equation
2,932,995.42 : 4,048,101.36 = 1,912,628.70 : x - Step 2: Convert to fraction form
2,932,995.42/4,048,101.36 = 1,912,628.70/x - Step 3: Cross multiply
2,932,995.42x = 4,048,101.36 × 1,912,628.70 - Step 4: Simplify right side
2,932,995.42x = 7,742,514,841,645.03 - Step 5: Solve for x
x = 7,742,514,841,645.03/2,932,995.42 - Step 6: Final answer
x = 2,639,797.79
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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.