Finding the Fourth Proportional to 2,481,637.70, 3,424,585.44 and 1,379,065.38
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Solution
The fourth proportional to 2,481,637.70, 3,424,585.44 and 1,379,065.38 is: 1,903,068.78
Step by Step Solution
- Step 1: Write the proportion equation
2,481,637.70 : 3,424,585.44 = 1,379,065.38 : x - Step 2: Convert to fraction form
2,481,637.70/3,424,585.44 = 1,379,065.38/x - Step 3: Cross multiply
2,481,637.70x = 3,424,585.44 × 1,379,065.38 - Step 4: Simplify right side
2,481,637.70x = 4,722,727,221,156.07 - Step 5: Solve for x
x = 4,722,727,221,156.07/2,481,637.70 - Step 6: Final answer
x = 1,903,068.78
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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.