Finding the Fourth Proportional to 1,656,526.62, 2,285,976.58 and 921,477.28
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Solution
The fourth proportional to 1,656,526.62, 2,285,976.58 and 921,477.28 is: 1,271,621.87
Step by Step Solution
- Step 1: Write the proportion equation
1,656,526.62 : 2,285,976.58 = 921,477.28 : x - Step 2: Convert to fraction form
1,656,526.62/2,285,976.58 = 921,477.28/x - Step 3: Cross multiply
1,656,526.62x = 2,285,976.58 × 921,477.28 - Step 4: Simplify right side
1,656,526.62x = 2,106,475,481,082.10 - Step 5: Solve for x
x = 2,106,475,481,082.10/1,656,526.62 - Step 6: Final answer
x = 1,271,621.87
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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.