Finding the Fourth Proportional to 1,772,243.99, 2,445,374.09 and 997,754.39
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Solution
The fourth proportional to 1,772,243.99, 2,445,374.09 and 997,754.39 is: 1,376,719.43
Step by Step Solution
- Step 1: Write the proportion equation
1,772,243.99 : 2,445,374.09 = 997,754.39 : x - Step 2: Convert to fraction form
1,772,243.99/2,445,374.09 = 997,754.39/x - Step 3: Cross multiply
1,772,243.99x = 2,445,374.09 × 997,754.39 - Step 4: Simplify right side
1,772,243.99x = 2,439,882,723,757.27 - Step 5: Solve for x
x = 2,439,882,723,757.27/1,772,243.99 - Step 6: Final answer
x = 1,376,719.43
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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.