Finding the Fourth Proportional to 5,139,943.59, 7,708,233.68 and 2,406,644.97
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Solution
The fourth proportional to 5,139,943.59, 7,708,233.68 and 2,406,644.97 is: 3,609,180.03
Step by Step Solution
- Step 1: Write the proportion equation
5,139,943.59 : 7,708,233.68 = 2,406,644.97 : x - Step 2: Convert to fraction form
5,139,943.59/7,708,233.68 = 2,406,644.97/x - Step 3: Cross multiply
5,139,943.59x = 7,708,233.68 × 2,406,644.97 - Step 4: Simplify right side
5,139,943.59x = 18,550,981,781,642.41 - Step 5: Solve for x
x = 18,550,981,781,642.41/5,139,943.59 - Step 6: Final answer
x = 3,609,180.03
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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.