Finding the Fourth Proportional to 2,208,321.80, 3,312,483.47 and 692,122.37
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Solution
The fourth proportional to 2,208,321.80, 3,312,483.47 and 692,122.37 is: 1,038,183.79
Step by Step Solution
- Step 1: Write the proportion equation
2,208,321.80 : 3,312,483.47 = 692,122.37 : x - Step 2: Convert to fraction form
2,208,321.80/3,312,483.47 = 692,122.37/x - Step 3: Cross multiply
2,208,321.80x = 3,312,483.47 × 692,122.37 - Step 4: Simplify right side
2,208,321.80x = 2,292,643,889,819.19 - Step 5: Solve for x
x = 2,292,643,889,819.19/2,208,321.80 - Step 6: Final answer
x = 1,038,183.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.