Finding the Fourth Proportional to 2,078,709.75, 2,868,628.10 and 1,124,853.75
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Solution
The fourth proportional to 2,078,709.75, 2,868,628.10 and 1,124,853.75 is: 1,552,302.85
Step by Step Solution
- Step 1: Write the proportion equation
2,078,709.75 : 2,868,628.10 = 1,124,853.75 : x - Step 2: Convert to fraction form
2,078,709.75/2,868,628.10 = 1,124,853.75/x - Step 3: Cross multiply
2,078,709.75x = 2,868,628.10 × 1,124,853.75 - Step 4: Simplify right side
2,078,709.75x = 3,226,787,070,016.11 - Step 5: Solve for x
x = 3,226,787,070,016.11/2,078,709.75 - Step 6: Final answer
x = 1,552,302.85
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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.