Finding the Fourth Proportional to 1,749,001.21, 2,617,576.16 and 1,075,509.09
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Solution
The fourth proportional to 1,749,001.21, 2,617,576.16 and 1,075,509.09 is: 1,609,619.79
Step by Step Solution
- Step 1: Write the proportion equation
1,749,001.21 : 2,617,576.16 = 1,075,509.09 : x - Step 2: Convert to fraction form
1,749,001.21/2,617,576.16 = 1,075,509.09/x - Step 3: Cross multiply
1,749,001.21x = 2,617,576.16 × 1,075,509.09 - Step 4: Simplify right side
1,749,001.21x = 2,815,226,948,469.75 - Step 5: Solve for x
x = 2,815,226,948,469.75/1,749,001.21 - Step 6: Final answer
x = 1,609,619.79
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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.