Finding the Fourth Proportional to 1,630,553.51, 2,250,228.60 and 942,202.55
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Solution
The fourth proportional to 1,630,553.51, 2,250,228.60 and 942,202.55 is: 1,300,276.94
Step by Step Solution
- Step 1: Write the proportion equation
1,630,553.51 : 2,250,228.60 = 942,202.55 : x - Step 2: Convert to fraction form
1,630,553.51/2,250,228.60 = 942,202.55/x - Step 3: Cross multiply
1,630,553.51x = 2,250,228.60 × 942,202.55 - Step 4: Simplify right side
1,630,553.51x = 2,120,171,117,970.97 - Step 5: Solve for x
x = 2,120,171,117,970.97/1,630,553.51 - Step 6: Final answer
x = 1,300,276.94
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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.