Finding the Fourth Proportional to 1,310,134.54, 1,808,695.34 and 918,869.08
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Solution
The fourth proportional to 1,310,134.54, 1,808,695.34 and 918,869.08 is: 1,268,537.06
Step by Step Solution
- Step 1: Write the proportion equation
1,310,134.54 : 1,808,695.34 = 918,869.08 : x - Step 2: Convert to fraction form
1,310,134.54/1,808,695.34 = 918,869.08/x - Step 3: Cross multiply
1,310,134.54x = 1,808,695.34 × 918,869.08 - Step 4: Simplify right side
1,310,134.54x = 1,661,954,223,066.09 - Step 5: Solve for x
x = 1,661,954,223,066.09/1,310,134.54 - Step 6: Final answer
x = 1,268,537.06
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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.