Finding the Fourth Proportional to 2,775,403.40, 4,160,340.30 and 1,276,881.80
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Solution
The fourth proportional to 2,775,403.40, 4,160,340.30 and 1,276,881.80 is: 1,914,050.70
Step by Step Solution
- Step 1: Write the proportion equation
2,775,403.40 : 4,160,340.30 = 1,276,881.80 : x - Step 2: Convert to fraction form
2,775,403.40/4,160,340.30 = 1,276,881.80/x - Step 3: Cross multiply
2,775,403.40x = 4,160,340.30 × 1,276,881.80 - Step 4: Simplify right side
2,775,403.40x = 5,312,262,810,876.54 - Step 5: Solve for x
x = 5,312,262,810,876.54/2,775,403.40 - Step 6: Final answer
x = 1,914,050.70
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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.