Finding the Fourth Proportional to 5,639,246.52, 7,781,958.84 and 3,191,805
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Solution
The fourth proportional to 5,639,246.52, 7,781,958.84 and 3,191,805 is: 4,404,576.93
Step by Step Solution
- Step 1: Write the proportion equation
5,639,246.52 : 7,781,958.84 = 3,191,805 : x - Step 2: Convert to fraction form
5,639,246.52/7,781,958.84 = 3,191,805/x - Step 3: Cross multiply
5,639,246.52x = 7,781,958.84 × 3,191,805 - Step 4: Simplify right side
5,639,246.52x = 24,838,495,135,306.20 - Step 5: Solve for x
x = 24,838,495,135,306.20/5,639,246.52 - Step 6: Final answer
x = 4,404,576.93
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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.