Finding the Fourth Proportional to 4,042,620.70, 6,063,931.05 and 1,645,231.30
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Solution
The fourth proportional to 4,042,620.70, 6,063,931.05 and 1,645,231.30 is: 2,467,846.95
Step by Step Solution
- Step 1: Write the proportion equation
4,042,620.70 : 6,063,931.05 = 1,645,231.30 : x - Step 2: Convert to fraction form
4,042,620.70/6,063,931.05 = 1,645,231.30/x - Step 3: Cross multiply
4,042,620.70x = 6,063,931.05 × 1,645,231.30 - Step 4: Simplify right side
4,042,620.70x = 9,976,569,164,501.87 - Step 5: Solve for x
x = 9,976,569,164,501.87/4,042,620.70 - Step 6: Final answer
x = 2,467,846.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.