Finding the Fourth Proportional to 4,855,719.76, 6,700,893.60 and 2,680,263.46
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Solution
The fourth proportional to 4,855,719.76, 6,700,893.60 and 2,680,263.46 is: 3,698,763.76
Step by Step Solution
- Step 1: Write the proportion equation
4,855,719.76 : 6,700,893.60 = 2,680,263.46 : x - Step 2: Convert to fraction form
4,855,719.76/6,700,893.60 = 2,680,263.46/x - Step 3: Cross multiply
4,855,719.76x = 6,700,893.60 × 2,680,263.46 - Step 4: Simplify right side
4,855,719.76x = 17,960,160,265,427.86 - Step 5: Solve for x
x = 17,960,160,265,427.86/4,855,719.76 - Step 6: Final answer
x = 3,698,763.76
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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.