Finding the Fourth Proportional to 1,638,485.93, 2,260,184.65 and 1,025,574.63
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Solution
The fourth proportional to 1,638,485.93, 2,260,184.65 and 1,025,574.63 is: 1,414,713.41
Step by Step Solution
- Step 1: Write the proportion equation
1,638,485.93 : 2,260,184.65 = 1,025,574.63 : x - Step 2: Convert to fraction form
1,638,485.93/2,260,184.65 = 1,025,574.63/x - Step 3: Cross multiply
1,638,485.93x = 2,260,184.65 × 1,025,574.63 - Step 4: Simplify right side
1,638,485.93x = 2,317,988,025,115.80 - Step 5: Solve for x
x = 2,317,988,025,115.80/1,638,485.93 - Step 6: Final answer
x = 1,414,713.41
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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.