Finding the Fourth Proportional to 3,565,818.10, 5,348,727.15 and 1,321,491.70
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Solution
The fourth proportional to 3,565,818.10, 5,348,727.15 and 1,321,491.70 is: 1,982,237.55
Step by Step Solution
- Step 1: Write the proportion equation
3,565,818.10 : 5,348,727.15 = 1,321,491.70 : x - Step 2: Convert to fraction form
3,565,818.10/5,348,727.15 = 1,321,491.70/x - Step 3: Cross multiply
3,565,818.10x = 5,348,727.15 × 1,321,491.70 - Step 4: Simplify right side
3,565,818.10x = 7,068,298,534,289.66 - Step 5: Solve for x
x = 7,068,298,534,289.66/3,565,818.10 - Step 6: Final answer
x = 1,982,237.55
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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.