Finding the Fourth Proportional to 1,526,393.87, 2,106,341.30 and 847,286.63
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Solution
The fourth proportional to 1,526,393.87, 2,106,341.30 and 847,286.63 is: 1,169,209.89
Step by Step Solution
- Step 1: Write the proportion equation
1,526,393.87 : 2,106,341.30 = 847,286.63 : x - Step 2: Convert to fraction form
1,526,393.87/2,106,341.30 = 847,286.63/x - Step 3: Cross multiply
1,526,393.87x = 2,106,341.30 × 847,286.63 - Step 4: Simplify right side
1,526,393.87x = 1,784,674,806,938.68 - Step 5: Solve for x
x = 1,784,674,806,938.68/1,526,393.87 - Step 6: Final answer
x = 1,169,209.89
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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.