Finding the Fourth Proportional to 6,354,637.20, 9,521,458.20 and 5,409,853.20
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Solution
The fourth proportional to 6,354,637.20, 9,521,458.20 and 5,409,853.20 is: 8,105,842.94
Step by Step Solution
- Step 1: Write the proportion equation
6,354,637.20 : 9,521,458.20 = 5,409,853.20 : x - Step 2: Convert to fraction form
6,354,637.20/9,521,458.20 = 5,409,853.20/x - Step 3: Cross multiply
6,354,637.20x = 9,521,458.20 × 5,409,853.20 - Step 4: Simplify right side
6,354,637.20x = 51,509,691,111,936.23 - Step 5: Solve for x
x = 51,509,691,111,936.23/6,354,637.20 - Step 6: Final answer
x = 8,105,842.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.