Finding the Fourth Proportional to 5,334,132.05, 7,361,102.16 and 2,886,743.09
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Solution
The fourth proportional to 5,334,132.05, 7,361,102.16 and 2,886,743.09 is: 3,983,705.43
Step by Step Solution
- Step 1: Write the proportion equation
5,334,132.05 : 7,361,102.16 = 2,886,743.09 : x - Step 2: Convert to fraction form
5,334,132.05/7,361,102.16 = 2,886,743.09/x - Step 3: Cross multiply
5,334,132.05x = 7,361,102.16 × 2,886,743.09 - Step 4: Simplify right side
5,334,132.05x = 21,249,610,813,566.83 - Step 5: Solve for x
x = 21,249,610,813,566.83/5,334,132.05 - Step 6: Final answer
x = 3,983,705.43
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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.