Finding the Fourth Proportional to 2,888,377.68, 3,986,085.72 and 1,599,218.02
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Solution
The fourth proportional to 2,888,377.68, 3,986,085.72 and 1,599,218.02 is: 2,206,989.81
Step by Step Solution
- Step 1: Write the proportion equation
2,888,377.68 : 3,986,085.72 = 1,599,218.02 : x - Step 2: Convert to fraction form
2,888,377.68/3,986,085.72 = 1,599,218.02/x - Step 3: Cross multiply
2,888,377.68x = 3,986,085.72 × 1,599,218.02 - Step 4: Simplify right side
2,888,377.68x = 6,374,620,112,688.68 - Step 5: Solve for x
x = 6,374,620,112,688.68/2,888,377.68 - Step 6: Final answer
x = 2,206,989.81
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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.