Finding the Fourth Proportional to 5,028,246.48, 6,939,137.52 and 2,852,881.20
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Solution
The fourth proportional to 5,028,246.48, 6,939,137.52 and 2,852,881.20 is: 3,937,065.35
Step by Step Solution
- Step 1: Write the proportion equation
5,028,246.48 : 6,939,137.52 = 2,852,881.20 : x - Step 2: Convert to fraction form
5,028,246.48/6,939,137.52 = 2,852,881.20/x - Step 3: Cross multiply
5,028,246.48x = 6,939,137.52 × 2,852,881.20 - Step 4: Simplify right side
5,028,246.48x = 19,796,534,975,022.62 - Step 5: Solve for x
x = 19,796,534,975,022.62/5,028,246.48 - Step 6: Final answer
x = 3,937,065.35
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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.