Finding the Fourth Proportional to 2,832,511.87, 3,908,866.81 and 1,543,352.37
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Solution
The fourth proportional to 2,832,511.87, 3,908,866.81 and 1,543,352.37 is: 2,129,826.50
Step by Step Solution
- Step 1: Write the proportion equation
2,832,511.87 : 3,908,866.81 = 1,543,352.37 : x - Step 2: Convert to fraction form
2,832,511.87/3,908,866.81 = 1,543,352.37/x - Step 3: Cross multiply
2,832,511.87x = 3,908,866.81 × 1,543,352.37 - Step 4: Simplify right side
2,832,511.87x = 6,032,758,855,227.84 - Step 5: Solve for x
x = 6,032,758,855,227.84/2,832,511.87 - Step 6: Final answer
x = 2,129,826.50
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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.