Finding the Fourth Proportional to 1,869,005.80, 2,804,891.10 and 1,237,709.80
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Solution
The fourth proportional to 1,869,005.80, 2,804,891.10 and 1,237,709.80 is: 1,857,480.17
Step by Step Solution
- Step 1: Write the proportion equation
1,869,005.80 : 2,804,891.10 = 1,237,709.80 : x - Step 2: Convert to fraction form
1,869,005.80/2,804,891.10 = 1,237,709.80/x - Step 3: Cross multiply
1,869,005.80x = 2,804,891.10 × 1,237,709.80 - Step 4: Simplify right side
1,869,005.80x = 3,471,641,202,402.78 - Step 5: Solve for x
x = 3,471,641,202,402.78/1,869,005.80 - Step 6: Final answer
x = 1,857,480.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.