Finding the Fourth Proportional to 5,258,805.06, 7,902,078.34 and 2,831,752.74
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Solution
The fourth proportional to 5,258,805.06, 7,902,078.34 and 2,831,752.74 is: 4,255,098.21
Step by Step Solution
- Step 1: Write the proportion equation
5,258,805.06 : 7,902,078.34 = 2,831,752.74 : x - Step 2: Convert to fraction form
5,258,805.06/7,902,078.34 = 2,831,752.74/x - Step 3: Cross multiply
5,258,805.06x = 7,902,078.34 × 2,831,752.74 - Step 4: Simplify right side
5,258,805.06x = 22,376,731,990,989.65 - Step 5: Solve for x
x = 22,376,731,990,989.65/5,258,805.06 - Step 6: Final answer
x = 4,255,098.21
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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.