Finding the Fourth Proportional to 5,028,262.80, 6,939,159.84 and 2,852,897.52
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Solution
The fourth proportional to 5,028,262.80, 6,939,159.84 and 2,852,897.52 is: 3,937,087.75
Step by Step Solution
- Step 1: Write the proportion equation
5,028,262.80 : 6,939,159.84 = 2,852,897.52 : x - Step 2: Convert to fraction form
5,028,262.80/6,939,159.84 = 2,852,897.52/x - Step 3: Cross multiply
5,028,262.80x = 6,939,159.84 × 2,852,897.52 - Step 4: Simplify right side
5,028,262.80x = 19,796,711,898,419.60 - Step 5: Solve for x
x = 19,796,711,898,419.60/5,028,262.80 - Step 6: Final answer
x = 3,937,087.75
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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.