Finding the Fourth Proportional to 2,136,362.42, 2,948,179.92 and 1,156,301.28
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Solution
The fourth proportional to 2,136,362.42, 2,948,179.92 and 1,156,301.28 is: 1,595,695.65
Step by Step Solution
- Step 1: Write the proportion equation
2,136,362.42 : 2,948,179.92 = 1,156,301.28 : x - Step 2: Convert to fraction form
2,136,362.42/2,948,179.92 = 1,156,301.28/x - Step 3: Cross multiply
2,136,362.42x = 2,948,179.92 × 1,156,301.28 - Step 4: Simplify right side
2,136,362.42x = 3,408,984,215,166.30 - Step 5: Solve for x
x = 3,408,984,215,166.30/2,136,362.42 - Step 6: Final answer
x = 1,595,695.65
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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.