Finding the Fourth Proportional to 2,934,558.32, 4,049,639.16 and 1,645,394.72
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Solution
The fourth proportional to 2,934,558.32, 4,049,639.16 and 1,645,394.72 is: 2,270,615.94
Step by Step Solution
- Step 1: Write the proportion equation
2,934,558.32 : 4,049,639.16 = 1,645,394.72 : x - Step 2: Convert to fraction form
2,934,558.32/4,049,639.16 = 1,645,394.72/x - Step 3: Cross multiply
2,934,558.32x = 4,049,639.16 × 1,645,394.72 - Step 4: Simplify right side
2,934,558.32x = 6,663,254,891,769.24 - Step 5: Solve for x
x = 6,663,254,891,769.24/2,934,558.32 - Step 6: Final answer
x = 2,270,615.94
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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.