Finding the Fourth Proportional to 2,221,946.70, 3,332,920.05 and 1,211,552.70
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Solution
The fourth proportional to 2,221,946.70, 3,332,920.05 and 1,211,552.70 is: 1,817,329.05
Step by Step Solution
- Step 1: Write the proportion equation
2,221,946.70 : 3,332,920.05 = 1,211,552.70 : x - Step 2: Convert to fraction form
2,221,946.70/3,332,920.05 = 1,211,552.70/x - Step 3: Cross multiply
2,221,946.70x = 3,332,920.05 × 1,211,552.70 - Step 4: Simplify right side
2,221,946.70x = 4,038,008,285,461.64 - Step 5: Solve for x
x = 4,038,008,285,461.64/2,221,946.70 - Step 6: Final answer
x = 1,817,329.05
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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.