Finding the Fourth Proportional to 2,195,763.29, 3,030,152.90 and 1,228,893.53
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Solution
The fourth proportional to 2,195,763.29, 3,030,152.90 and 1,228,893.53 is: 1,695,872.82
Step by Step Solution
- Step 1: Write the proportion equation
2,195,763.29 : 3,030,152.90 = 1,228,893.53 : x - Step 2: Convert to fraction form
2,195,763.29/3,030,152.90 = 1,228,893.53/x - Step 3: Cross multiply
2,195,763.29x = 3,030,152.90 × 1,228,893.53 - Step 4: Simplify right side
2,195,763.29x = 3,723,735,272,425.50 - Step 5: Solve for x
x = 3,723,735,272,425.50/2,195,763.29 - Step 6: Final answer
x = 1,695,872.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.