Finding the Fourth Proportional to 1,818,615.52, 2,509,635.72 and 1,002,818.99
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Solution
The fourth proportional to 1,818,615.52, 2,509,635.72 and 1,002,818.99 is: 1,383,860.60
Step by Step Solution
- Step 1: Write the proportion equation
1,818,615.52 : 2,509,635.72 = 1,002,818.99 : x - Step 2: Convert to fraction form
1,818,615.52/2,509,635.72 = 1,002,818.99/x - Step 3: Cross multiply
1,818,615.52x = 2,509,635.72 × 1,002,818.99 - Step 4: Simplify right side
1,818,615.52x = 2,516,710,368,032.98 - Step 5: Solve for x
x = 2,516,710,368,032.98/1,818,615.52 - Step 6: Final answer
x = 1,383,860.60
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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.