Finding the Fourth Proportional to 1,872,331.36, 2,583,809.52 and 1,012,889.60
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Solution
The fourth proportional to 1,872,331.36, 2,583,809.52 and 1,012,889.60 is: 1,397,783.45
Step by Step Solution
- Step 1: Write the proportion equation
1,872,331.36 : 2,583,809.52 = 1,012,889.60 : x - Step 2: Convert to fraction form
1,872,331.36/2,583,809.52 = 1,012,889.60/x - Step 3: Cross multiply
1,872,331.36x = 2,583,809.52 × 1,012,889.60 - Step 4: Simplify right side
1,872,331.36x = 2,617,113,791,188.99 - Step 5: Solve for x
x = 2,617,113,791,188.99/1,872,331.36 - Step 6: Final answer
x = 1,397,783.45
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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.