Finding the Fourth Proportional to 1,908,687.65, 2,862,956.66 and 646,515.23
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Solution
The fourth proportional to 1,908,687.65, 2,862,956.66 and 646,515.23 is: 969,747.50
Step by Step Solution
- Step 1: Write the proportion equation
1,908,687.65 : 2,862,956.66 = 646,515.23 : x - Step 2: Convert to fraction form
1,908,687.65/2,862,956.66 = 646,515.23/x - Step 3: Cross multiply
1,908,687.65x = 2,862,956.66 × 646,515.23 - Step 4: Simplify right side
1,908,687.65x = 1,850,945,065,972.57 - Step 5: Solve for x
x = 1,850,945,065,972.57/1,908,687.65 - Step 6: Final answer
x = 969,747.50
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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.