Finding the Fourth Proportional to 6,240,955.27, 8,612,351.74 and 3,487,664.18
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Solution
The fourth proportional to 6,240,955.27, 8,612,351.74 and 3,487,664.18 is: 4,812,883.50
Step by Step Solution
- Step 1: Write the proportion equation
6,240,955.27 : 8,612,351.74 = 3,487,664.18 : x - Step 2: Convert to fraction form
6,240,955.27/8,612,351.74 = 3,487,664.18/x - Step 3: Cross multiply
6,240,955.27x = 8,612,351.74 × 3,487,664.18 - Step 4: Simplify right side
6,240,955.27x = 30,036,990,669,158.68 - Step 5: Solve for x
x = 30,036,990,669,158.68/6,240,955.27 - Step 6: Final answer
x = 4,812,883.50
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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.