Finding the Fourth Proportional to 2,263,963.92, 3,124,253.88 and 1,245,346.80
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Solution
The fourth proportional to 2,263,963.92, 3,124,253.88 and 1,245,346.80 is: 1,718,569.60
Step by Step Solution
- Step 1: Write the proportion equation
2,263,963.92 : 3,124,253.88 = 1,245,346.80 : x - Step 2: Convert to fraction form
2,263,963.92/3,124,253.88 = 1,245,346.80/x - Step 3: Cross multiply
2,263,963.92x = 3,124,253.88 × 1,245,346.80 - Step 4: Simplify right side
2,263,963.92x = 3,890,779,571,845.58 - Step 5: Solve for x
x = 3,890,779,571,845.58/2,263,963.92 - Step 6: Final answer
x = 1,718,569.60
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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.