Finding the Fourth Proportional to 1,941,406.70, 2,912,110.05 and 1,232,818.70
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Solution
The fourth proportional to 1,941,406.70, 2,912,110.05 and 1,232,818.70 is: 1,849,228.05
Step by Step Solution
- Step 1: Write the proportion equation
1,941,406.70 : 2,912,110.05 = 1,232,818.70 : x - Step 2: Convert to fraction form
1,941,406.70/2,912,110.05 = 1,232,818.70/x - Step 3: Cross multiply
1,941,406.70x = 2,912,110.05 × 1,232,818.70 - Step 4: Simplify right side
1,941,406.70x = 3,590,103,726,097.93 - Step 5: Solve for x
x = 3,590,103,726,097.93/1,941,406.70 - Step 6: Final answer
x = 1,849,228.05
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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.