Finding the Fourth Proportional to 5,028,549.48, 6,940,129.80 and 2,823,659.82
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Solution
The fourth proportional to 5,028,549.48, 6,940,129.80 and 2,823,659.82 is: 3,897,061.32
Step by Step Solution
- Step 1: Write the proportion equation
5,028,549.48 : 6,940,129.80 = 2,823,659.82 : x - Step 2: Convert to fraction form
5,028,549.48/6,940,129.80 = 2,823,659.82/x - Step 3: Cross multiply
5,028,549.48x = 6,940,129.80 × 2,823,659.82 - Step 4: Simplify right side
5,028,549.48x = 19,596,565,661,844.63 - Step 5: Solve for x
x = 19,596,565,661,844.63/5,028,549.48 - Step 6: Final answer
x = 3,897,061.32
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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.