Finding the Fourth Proportional to 5,232,135.54, 7,220,431.01 and 2,877,426.36
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Solution
The fourth proportional to 5,232,135.54, 7,220,431.01 and 2,877,426.36 is: 3,970,894.55
Step by Step Solution
- Step 1: Write the proportion equation
5,232,135.54 : 7,220,431.01 = 2,877,426.36 : x - Step 2: Convert to fraction form
5,232,135.54/7,220,431.01 = 2,877,426.36/x - Step 3: Cross multiply
5,232,135.54x = 7,220,431.01 × 2,877,426.36 - Step 4: Simplify right side
5,232,135.54x = 20,776,258,468,246.14 - Step 5: Solve for x
x = 20,776,258,468,246.14/5,232,135.54 - Step 6: Final answer
x = 3,970,894.55
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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.