Finding the Fourth Proportional to 1,419,637.50, 2,128,406.49 and 858,547.26
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Solution
The fourth proportional to 1,419,637.50, 2,128,406.49 and 858,547.26 is: 1,287,186.03
Step by Step Solution
- Step 1: Write the proportion equation
1,419,637.50 : 2,128,406.49 = 858,547.26 : x - Step 2: Convert to fraction form
1,419,637.50/2,128,406.49 = 858,547.26/x - Step 3: Cross multiply
1,419,637.50x = 2,128,406.49 × 858,547.26 - Step 4: Simplify right side
1,419,637.50x = 1,827,337,560,155.72 - Step 5: Solve for x
x = 1,827,337,560,155.72/1,419,637.50 - Step 6: Final answer
x = 1,287,186.03
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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.