Finding the Fourth Proportional to 1,526,439.64, 2,106,381.14 and 847,322.68
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Solution
The fourth proportional to 1,526,439.64, 2,106,381.14 and 847,322.68 is: 1,169,246.70
Step by Step Solution
- Step 1: Write the proportion equation
1,526,439.64 : 2,106,381.14 = 847,322.68 : x - Step 2: Convert to fraction form
1,526,439.64/2,106,381.14 = 847,322.68/x - Step 3: Cross multiply
1,526,439.64x = 2,106,381.14 × 847,322.68 - Step 4: Simplify right side
1,526,439.64x = 1,784,784,512,646.26 - Step 5: Solve for x
x = 1,784,784,512,646.26/1,526,439.64 - Step 6: Final answer
x = 1,169,246.70
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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.