Finding the Fourth Proportional to 2,273,291.92, 3,138,323.70 and 1,660,756.96
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Solution
The fourth proportional to 2,273,291.92, 3,138,323.70 and 1,660,756.96 is: 2,292,707.28
Step by Step Solution
- Step 1: Write the proportion equation
2,273,291.92 : 3,138,323.70 = 1,660,756.96 : x - Step 2: Convert to fraction form
2,273,291.92/3,138,323.70 = 1,660,756.96/x - Step 3: Cross multiply
2,273,291.92x = 3,138,323.70 × 1,660,756.96 - Step 4: Simplify right side
2,273,291.92x = 5,211,992,927,507.95 - Step 5: Solve for x
x = 5,211,992,927,507.95/2,273,291.92 - Step 6: Final answer
x = 2,292,707.28
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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.