Finding the Fourth Proportional to 1,818,385.68, 2,726,787.95 and 521,252.39
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Solution
The fourth proportional to 1,818,385.68, 2,726,787.95 and 521,252.39 is: 781,651.95
Step by Step Solution
- Step 1: Write the proportion equation
1,818,385.68 : 2,726,787.95 = 521,252.39 : x - Step 2: Convert to fraction form
1,818,385.68/2,726,787.95 = 521,252.39/x - Step 3: Cross multiply
1,818,385.68x = 2,726,787.95 × 521,252.39 - Step 4: Simplify right side
1,818,385.68x = 1,421,344,719,720.50 - Step 5: Solve for x
x = 1,421,344,719,720.50/1,818,385.68 - Step 6: Final answer
x = 781,651.95
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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.