Finding the Fourth Proportional to 5,013,158.90, 6,918,140.01 and 2,721,299.54
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Solution
The fourth proportional to 5,013,158.90, 6,918,140.01 and 2,721,299.54 is: 3,755,382.90
Step by Step Solution
- Step 1: Write the proportion equation
5,013,158.90 : 6,918,140.01 = 2,721,299.54 : x - Step 2: Convert to fraction form
5,013,158.90/6,918,140.01 = 2,721,299.54/x - Step 3: Cross multiply
5,013,158.90x = 6,918,140.01 × 2,721,299.54 - Step 4: Simplify right side
5,013,158.90x = 18,826,331,226,868.59 - Step 5: Solve for x
x = 18,826,331,226,868.59/5,013,158.90 - Step 6: Final answer
x = 3,755,382.90
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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.