Finding the Fourth Proportional to 1,784,591.76, 2,462,476.86 and 1,020,497.70
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Solution
The fourth proportional to 1,784,591.76, 2,462,476.86 and 1,020,497.70 is: 1,408,138.28
Step by Step Solution
- Step 1: Write the proportion equation
1,784,591.76 : 2,462,476.86 = 1,020,497.70 : x - Step 2: Convert to fraction form
1,784,591.76/2,462,476.86 = 1,020,497.70/x - Step 3: Cross multiply
1,784,591.76x = 2,462,476.86 × 1,020,497.70 - Step 4: Simplify right side
1,784,591.76x = 2,512,951,971,933.22 - Step 5: Solve for x
x = 2,512,951,971,933.22/1,784,591.76 - Step 6: Final answer
x = 1,408,138.28
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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.