Finding the Fourth Proportional to 2,808,356.13, 3,875,519.79 and 1,519,193.34
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Solution
The fourth proportional to 2,808,356.13, 3,875,519.79 and 1,519,193.34 is: 2,096,480.50
Step by Step Solution
- Step 1: Write the proportion equation
2,808,356.13 : 3,875,519.79 = 1,519,193.34 : x - Step 2: Convert to fraction form
2,808,356.13/3,875,519.79 = 1,519,193.34/x - Step 3: Cross multiply
2,808,356.13x = 3,875,519.79 × 1,519,193.34 - Step 4: Simplify right side
2,808,356.13x = 5,887,663,854,006.20 - Step 5: Solve for x
x = 5,887,663,854,006.20/2,808,356.13 - Step 6: Final answer
x = 2,096,480.50
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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.