Finding the Fourth Proportional to 1,965,541.40, 2,948,302.20 and 767,585.36
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Solution
The fourth proportional to 1,965,541.40, 2,948,302.20 and 767,585.36 is: 1,151,374.17
Step by Step Solution
- Step 1: Write the proportion equation
1,965,541.40 : 2,948,302.20 = 767,585.36 : x - Step 2: Convert to fraction form
1,965,541.40/2,948,302.20 = 767,585.36/x - Step 3: Cross multiply
1,965,541.40x = 2,948,302.20 × 767,585.36 - Step 4: Simplify right side
1,965,541.40x = 2,263,073,605,575.79 - Step 5: Solve for x
x = 2,263,073,605,575.79/1,965,541.40 - Step 6: Final answer
x = 1,151,374.17
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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.