Finding the Fourth Proportional to 2,245,178.74, 3,366,230.92 and 805,830.20
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Solution
The fourth proportional to 2,245,178.74, 3,366,230.92 and 805,830.20 is: 1,208,193.58
Step by Step Solution
- Step 1: Write the proportion equation
2,245,178.74 : 3,366,230.92 = 805,830.20 : x - Step 2: Convert to fraction form
2,245,178.74/3,366,230.92 = 805,830.20/x - Step 3: Cross multiply
2,245,178.74x = 3,366,230.92 × 805,830.20 - Step 4: Simplify right side
2,245,178.74x = 2,712,610,535,509.78 - Step 5: Solve for x
x = 2,712,610,535,509.78/2,245,178.74 - Step 6: Final answer
x = 1,208,193.58
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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.