Finding the Fourth Proportional to 1,939,362.71, 2,909,043.99 and 914,454.43
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Solution
The fourth proportional to 1,939,362.71, 2,909,043.99 and 914,454.43 is: 1,371,681.61
Step by Step Solution
- Step 1: Write the proportion equation
1,939,362.71 : 2,909,043.99 = 914,454.43 : x - Step 2: Convert to fraction form
1,939,362.71/2,909,043.99 = 914,454.43/x - Step 3: Cross multiply
1,939,362.71x = 2,909,043.99 × 914,454.43 - Step 4: Simplify right side
1,939,362.71x = 2,660,188,156,447.77 - Step 5: Solve for x
x = 2,660,188,156,447.77/1,939,362.71 - Step 6: Final answer
x = 1,371,681.61
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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.