Finding the Fourth Proportional to 1,595,312.70, 2,202,343.47 and 1,231,920.78
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Solution
The fourth proportional to 1,595,312.70, 2,202,343.47 and 1,231,920.78 is: 1,700,677.67
Step by Step Solution
- Step 1: Write the proportion equation
1,595,312.70 : 2,202,343.47 = 1,231,920.78 : x - Step 2: Convert to fraction form
1,595,312.70/2,202,343.47 = 1,231,920.78/x - Step 3: Cross multiply
1,595,312.70x = 2,202,343.47 × 1,231,920.78 - Step 4: Simplify right side
1,595,312.70x = 2,713,112,685,390.31 - Step 5: Solve for x
x = 2,713,112,685,390.31/1,595,312.70 - Step 6: Final answer
x = 1,700,677.67
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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.