Finding the Fourth Proportional to 2,221,259.70, 3,331,889.52 and 538,363.20
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Solution
The fourth proportional to 2,221,259.70, 3,331,889.52 and 538,363.20 is: 807,544.79
Step by Step Solution
- Step 1: Write the proportion equation
2,221,259.70 : 3,331,889.52 = 538,363.20 : x - Step 2: Convert to fraction form
2,221,259.70/3,331,889.52 = 538,363.20/x - Step 3: Cross multiply
2,221,259.70x = 3,331,889.52 × 538,363.20 - Step 4: Simplify right side
2,221,259.70x = 1,793,766,704,033.66 - Step 5: Solve for x
x = 1,793,766,704,033.66/2,221,259.70 - Step 6: Final answer
x = 807,544.79
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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.