Finding the Fourth Proportional to 2,390,814.32, 3,299,324.99 and 1,358,323.92
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Solution
The fourth proportional to 2,390,814.32, 3,299,324.99 and 1,358,323.92 is: 1,874,487.71
Step by Step Solution
- Step 1: Write the proportion equation
2,390,814.32 : 3,299,324.99 = 1,358,323.92 : x - Step 2: Convert to fraction form
2,390,814.32/3,299,324.99 = 1,358,323.92/x - Step 3: Cross multiply
2,390,814.32x = 3,299,324.99 × 1,358,323.92 - Step 4: Simplify right side
2,390,814.32x = 4,481,552,046,979.14 - Step 5: Solve for x
x = 4,481,552,046,979.14/2,390,814.32 - Step 6: Final answer
x = 1,874,487.71
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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.