Finding the Fourth Proportional to 1,692,902.70, 2,336,202.48 and 918,533.31
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Solution
The fourth proportional to 1,692,902.70, 2,336,202.48 and 918,533.31 is: 1,267,574.21
Step by Step Solution
- Step 1: Write the proportion equation
1,692,902.70 : 2,336,202.48 = 918,533.31 : x - Step 2: Convert to fraction form
1,692,902.70/2,336,202.48 = 918,533.31/x - Step 3: Cross multiply
1,692,902.70x = 2,336,202.48 × 918,533.31 - Step 4: Simplify right side
1,692,902.70x = 2,145,879,796,784.61 - Step 5: Solve for x
x = 2,145,879,796,784.61/1,692,902.70 - Step 6: Final answer
x = 1,267,574.21
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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.