Finding the Fourth Proportional to 2,729,691.60, 4,094,389.68 and 836,438.64
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Solution
The fourth proportional to 2,729,691.60, 4,094,389.68 and 836,438.64 is: 1,254,612.70
Step by Step Solution
- Step 1: Write the proportion equation
2,729,691.60 : 4,094,389.68 = 836,438.64 : x - Step 2: Convert to fraction form
2,729,691.60/4,094,389.68 = 836,438.64/x - Step 3: Cross multiply
2,729,691.60x = 4,094,389.68 × 836,438.64 - Step 4: Simplify right side
2,729,691.60x = 3,424,705,735,569.24 - Step 5: Solve for x
x = 3,424,705,735,569.24/2,729,691.60 - Step 6: Final answer
x = 1,254,612.70
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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.