Finding the Fourth Proportional to 2,178,938.99, 3,270,456.21 and 1,141,034.40
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Solution
The fourth proportional to 2,178,938.99, 3,270,456.21 and 1,141,034.40 is: 1,712,623.93
Step by Step Solution
- Step 1: Write the proportion equation
2,178,938.99 : 3,270,456.21 = 1,141,034.40 : x - Step 2: Convert to fraction form
2,178,938.99/3,270,456.21 = 1,141,034.40/x - Step 3: Cross multiply
2,178,938.99x = 3,270,456.21 × 1,141,034.40 - Step 4: Simplify right side
2,178,938.99x = 3,731,703,039,303.62 - Step 5: Solve for x
x = 3,731,703,039,303.62/2,178,938.99 - Step 6: Final answer
x = 1,712,623.93
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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.