Finding the Fourth Proportional to 2,221,569.60, 3,332,354.40 and 2,048,359.20
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Solution
The fourth proportional to 2,221,569.60, 3,332,354.40 and 2,048,359.20 is: 3,072,538.80
Step by Step Solution
- Step 1: Write the proportion equation
2,221,569.60 : 3,332,354.40 = 2,048,359.20 : x - Step 2: Convert to fraction form
2,221,569.60/3,332,354.40 = 2,048,359.20/x - Step 3: Cross multiply
2,221,569.60x = 3,332,354.40 × 2,048,359.20 - Step 4: Simplify right side
2,221,569.60x = 6,825,858,792,900.48 - Step 5: Solve for x
x = 6,825,858,792,900.48/2,221,569.60 - Step 6: Final answer
x = 3,072,538.80
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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.