Finding the Fourth Proportional to 1,731,939.19, 2,390,000.91 and 946,990.71
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Solution
The fourth proportional to 1,731,939.19, 2,390,000.91 and 946,990.71 is: 1,306,806.07
Step by Step Solution
- Step 1: Write the proportion equation
1,731,939.19 : 2,390,000.91 = 946,990.71 : x - Step 2: Convert to fraction form
1,731,939.19/2,390,000.91 = 946,990.71/x - Step 3: Cross multiply
1,731,939.19x = 2,390,000.91 × 946,990.71 - Step 4: Simplify right side
1,731,939.19x = 2,263,308,653,926.59 - Step 5: Solve for x
x = 2,263,308,653,926.59/1,731,939.19 - Step 6: Final answer
x = 1,306,806.07
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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.