Finding the Fourth Proportional to 1,591,113.39, 2,386,305.58 and 453,853.95
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Solution
The fourth proportional to 1,591,113.39, 2,386,305.58 and 453,853.95 is: 680,676.95
Step by Step Solution
- Step 1: Write the proportion equation
1,591,113.39 : 2,386,305.58 = 453,853.95 : x - Step 2: Convert to fraction form
1,591,113.39/2,386,305.58 = 453,853.95/x - Step 3: Cross multiply
1,591,113.39x = 2,386,305.58 × 453,853.95 - Step 4: Simplify right side
1,591,113.39x = 1,083,034,213,390.04 - Step 5: Solve for x
x = 1,083,034,213,390.04/1,591,113.39 - Step 6: Final answer
x = 680,676.95
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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.