Finding the Fourth Proportional to 2,177,447.09, 3,005,045.08 and 1,306,314.41
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Solution
The fourth proportional to 2,177,447.09, 3,005,045.08 and 1,306,314.41 is: 1,802,814.73
Step by Step Solution
- Step 1: Write the proportion equation
2,177,447.09 : 3,005,045.08 = 1,306,314.41 : x - Step 2: Convert to fraction form
2,177,447.09/3,005,045.08 = 1,306,314.41/x - Step 3: Cross multiply
2,177,447.09x = 3,005,045.08 × 1,306,314.41 - Step 4: Simplify right side
2,177,447.09x = 3,925,533,694,950.43 - Step 5: Solve for x
x = 3,925,533,694,950.43/2,177,447.09 - Step 6: Final answer
x = 1,802,814.73
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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.