Finding the Fourth Proportional to 1,649,216.70, 2,473,479.45 and 808,371.90
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Solution
The fourth proportional to 1,649,216.70, 2,473,479.45 and 808,371.90 is: 1,212,388.45
Step by Step Solution
- Step 1: Write the proportion equation
1,649,216.70 : 2,473,479.45 = 808,371.90 : x - Step 2: Convert to fraction form
1,649,216.70/2,473,479.45 = 808,371.90/x - Step 3: Cross multiply
1,649,216.70x = 2,473,479.45 × 808,371.90 - Step 4: Simplify right side
1,649,216.70x = 1,999,491,282,607.46 - Step 5: Solve for x
x = 1,999,491,282,607.46/1,649,216.70 - Step 6: Final answer
x = 1,212,388.45
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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.