Finding the Fourth Proportional to 4,862,139.84, 7,293,214.08 and 1,267,902.72
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Solution
The fourth proportional to 4,862,139.84, 7,293,214.08 and 1,267,902.72 is: 1,901,855.21
Step by Step Solution
- Step 1: Write the proportion equation
4,862,139.84 : 7,293,214.08 = 1,267,902.72 : x - Step 2: Convert to fraction form
4,862,139.84/7,293,214.08 = 1,267,902.72/x - Step 3: Cross multiply
4,862,139.84x = 7,293,214.08 × 1,267,902.72 - Step 4: Simplify right side
4,862,139.84x = 9,247,085,969,574.30 - Step 5: Solve for x
x = 9,247,085,969,574.30/4,862,139.84 - Step 6: Final answer
x = 1,901,855.21
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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.