Finding the Fourth Proportional to 2,086,150.54, 2,878,649.64 and 1,168,252.06
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Solution
The fourth proportional to 2,086,150.54, 2,878,649.64 and 1,168,252.06 is: 1,612,054.50
Step by Step Solution
- Step 1: Write the proportion equation
2,086,150.54 : 2,878,649.64 = 1,168,252.06 : x - Step 2: Convert to fraction form
2,086,150.54/2,878,649.64 = 1,168,252.06/x - Step 3: Cross multiply
2,086,150.54x = 2,878,649.64 × 1,168,252.06 - Step 4: Simplify right side
2,086,150.54x = 3,362,988,371,948.26 - Step 5: Solve for x
x = 3,362,988,371,948.26/2,086,150.54 - Step 6: Final answer
x = 1,612,054.50
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1.5x scale
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.