Finding the Fourth Proportional to 2,277,408.12, 3,142,886.70 and 1,258,878.36
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Solution
The fourth proportional to 2,277,408.12, 3,142,886.70 and 1,258,878.36 is: 1,737,287.23
Step by Step Solution
- Step 1: Write the proportion equation
2,277,408.12 : 3,142,886.70 = 1,258,878.36 : x - Step 2: Convert to fraction form
2,277,408.12/3,142,886.70 = 1,258,878.36/x - Step 3: Cross multiply
2,277,408.12x = 3,142,886.70 × 1,258,878.36 - Step 4: Simplify right side
2,277,408.12x = 3,956,512,054,561.81 - Step 5: Solve for x
x = 3,956,512,054,561.81/2,277,408.12 - Step 6: Final answer
x = 1,737,287.23
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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.