Finding the Fourth Proportional to 1,547,115.84, 2,134,912.74 and 858,733.56
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Solution
The fourth proportional to 1,547,115.84, 2,134,912.74 and 858,733.56 is: 1,184,992.86
Step by Step Solution
- Step 1: Write the proportion equation
1,547,115.84 : 2,134,912.74 = 858,733.56 : x - Step 2: Convert to fraction form
1,547,115.84/2,134,912.74 = 858,733.56/x - Step 3: Cross multiply
1,547,115.84x = 2,134,912.74 × 858,733.56 - Step 4: Simplify right side
1,547,115.84x = 1,833,321,217,509.55 - Step 5: Solve for x
x = 1,833,321,217,509.55/1,547,115.84 - Step 6: Final answer
x = 1,184,992.86
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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.