Finding the Fourth Proportional to 1,908,268.09, 2,633,415.66 and 1,048,916.41
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Solution
The fourth proportional to 1,908,268.09, 2,633,415.66 and 1,048,916.41 is: 1,447,507.78
Step by Step Solution
- Step 1: Write the proportion equation
1,908,268.09 : 2,633,415.66 = 1,048,916.41 : x - Step 2: Convert to fraction form
1,908,268.09/2,633,415.66 = 1,048,916.41/x - Step 3: Cross multiply
1,908,268.09x = 2,633,415.66 × 1,048,916.41 - Step 4: Simplify right side
1,908,268.09x = 2,762,232,900,124.98 - Step 5: Solve for x
x = 2,762,232,900,124.98/1,908,268.09 - Step 6: Final answer
x = 1,447,507.78
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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.