Finding the Fourth Proportional to 6,398,160.05, 8,829,461.87 and 3,497,562.61
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Solution
The fourth proportional to 6,398,160.05, 8,829,461.87 and 3,497,562.61 is: 4,826,636.94
Step by Step Solution
- Step 1: Write the proportion equation
6,398,160.05 : 8,829,461.87 = 3,497,562.61 : x - Step 2: Convert to fraction form
6,398,160.05/8,829,461.87 = 3,497,562.61/x - Step 3: Cross multiply
6,398,160.05x = 8,829,461.87 × 3,497,562.61 - Step 4: Simplify right side
6,398,160.05x = 30,881,595,676,487.07 - Step 5: Solve for x
x = 30,881,595,676,487.07/6,398,160.05 - Step 6: Final answer
x = 4,826,636.94
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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.