Finding the Fourth Proportional to 4,247,420.16, 6,368,669.76 and 2,901,209.61
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Solution
The fourth proportional to 4,247,420.16, 6,368,669.76 and 2,901,209.61 is: 4,350,133.78
Step by Step Solution
- Step 1: Write the proportion equation
4,247,420.16 : 6,368,669.76 = 2,901,209.61 : x - Step 2: Convert to fraction form
4,247,420.16/6,368,669.76 = 2,901,209.61/x - Step 3: Cross multiply
4,247,420.16x = 6,368,669.76 × 2,901,209.61 - Step 4: Simplify right side
4,247,420.16x = 18,476,845,910,628.39 - Step 5: Solve for x
x = 18,476,845,910,628.39/4,247,420.16 - Step 6: Final answer
x = 4,350,133.78
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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.