Finding the Fourth Proportional to 3,865,790.92, 5,334,913.50 and 2,316,541.96
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Solution
The fourth proportional to 3,865,790.92, 5,334,913.50 and 2,316,541.96 is: 3,196,901.03
Step by Step Solution
- Step 1: Write the proportion equation
3,865,790.92 : 5,334,913.50 = 2,316,541.96 : x - Step 2: Convert to fraction form
3,865,790.92/5,334,913.50 = 2,316,541.96/x - Step 3: Cross multiply
3,865,790.92x = 5,334,913.50 × 2,316,541.96 - Step 4: Simplify right side
3,865,790.92x = 12,358,550,975,720.46 - Step 5: Solve for x
x = 12,358,550,975,720.46/3,865,790.92 - Step 6: Final answer
x = 3,196,901.03
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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.