Finding the Fourth Proportional to 1,994,144.28, 2,751,905.07 and 1,088,726.28
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Solution
The fourth proportional to 1,994,144.28, 2,751,905.07 and 1,088,726.28 is: 1,502,434.60
Step by Step Solution
- Step 1: Write the proportion equation
1,994,144.28 : 2,751,905.07 = 1,088,726.28 : x - Step 2: Convert to fraction form
1,994,144.28/2,751,905.07 = 1,088,726.28/x - Step 3: Cross multiply
1,994,144.28x = 2,751,905.07 × 1,088,726.28 - Step 4: Simplify right side
1,994,144.28x = 2,996,071,369,774.24 - Step 5: Solve for x
x = 2,996,071,369,774.24/1,994,144.28 - Step 6: Final answer
x = 1,502,434.60
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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.