Finding the Fourth Proportional to 3,312,603.60, 4,571,286.48 and 1,862,359.92
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Solution
The fourth proportional to 3,312,603.60, 4,571,286.48 and 1,862,359.92 is: 2,569,996.82
Step by Step Solution
- Step 1: Write the proportion equation
3,312,603.60 : 4,571,286.48 = 1,862,359.92 : x - Step 2: Convert to fraction form
3,312,603.60/4,571,286.48 = 1,862,359.92/x - Step 3: Cross multiply
3,312,603.60x = 4,571,286.48 × 1,862,359.92 - Step 4: Simplify right side
3,312,603.60x = 8,513,380,723,189.88 - Step 5: Solve for x
x = 8,513,380,723,189.88/3,312,603.60 - Step 6: Final answer
x = 2,569,996.82
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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.