Finding the Fourth Proportional to 5,403,659.40, 8,104,452.30 and 1,617,265.80
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Solution
The fourth proportional to 5,403,659.40, 8,104,452.30 and 1,617,265.80 is: 2,425,588.40
Step by Step Solution
- Step 1: Write the proportion equation
5,403,659.40 : 8,104,452.30 = 1,617,265.80 : x - Step 2: Convert to fraction form
5,403,659.40/8,104,452.30 = 1,617,265.80/x - Step 3: Cross multiply
5,403,659.40x = 8,104,452.30 × 1,617,265.80 - Step 4: Simplify right side
5,403,659.40x = 13,107,053,532,521.34 - Step 5: Solve for x
x = 13,107,053,532,521.34/5,403,659.40 - Step 6: Final answer
x = 2,425,588.40
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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.