Finding the Fourth Proportional to 2,019,678.99, 2,787,402.02 and 1,475,542.46
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Solution
The fourth proportional to 2,019,678.99, 2,787,402.02 and 1,475,542.46 is: 2,036,427.59
Step by Step Solution
- Step 1: Write the proportion equation
2,019,678.99 : 2,787,402.02 = 1,475,542.46 : x - Step 2: Convert to fraction form
2,019,678.99/2,787,402.02 = 1,475,542.46/x - Step 3: Cross multiply
2,019,678.99x = 2,787,402.02 × 1,475,542.46 - Step 4: Simplify right side
2,019,678.99x = 4,112,930,012,285.05 - Step 5: Solve for x
x = 4,112,930,012,285.05/2,019,678.99 - Step 6: Final answer
x = 2,036,427.59
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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.