Finding the Fourth Proportional to 1,955,607.70, 2,698,863.34 and 1,096,168.18
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Solution
The fourth proportional to 1,955,607.70, 2,698,863.34 and 1,096,168.18 is: 1,512,781.99
Step by Step Solution
- Step 1: Write the proportion equation
1,955,607.70 : 2,698,863.34 = 1,096,168.18 : x - Step 2: Convert to fraction form
1,955,607.70/2,698,863.34 = 1,096,168.18/x - Step 3: Cross multiply
1,955,607.70x = 2,698,863.34 × 1,096,168.18 - Step 4: Simplify right side
1,955,607.70x = 2,958,408,115,476.52 - Step 5: Solve for x
x = 2,958,408,115,476.52/1,955,607.70 - Step 6: Final answer
x = 1,512,781.99
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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.