Finding the Fourth Proportional to 1,541,871.90, 2,127,764.79 and 862,813.98
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Solution
The fourth proportional to 1,541,871.90, 2,127,764.79 and 862,813.98 is: 1,190,672.98
Step by Step Solution
- Step 1: Write the proportion equation
1,541,871.90 : 2,127,764.79 = 862,813.98 : x - Step 2: Convert to fraction form
1,541,871.90/2,127,764.79 = 862,813.98/x - Step 3: Cross multiply
1,541,871.90x = 2,127,764.79 × 862,813.98 - Step 4: Simplify right side
1,541,871.90x = 1,835,865,206,963.76 - Step 5: Solve for x
x = 1,835,865,206,963.76/1,541,871.90 - Step 6: Final answer
x = 1,190,672.98
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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.