Finding the Fourth Proportional to 1,695,174.84, 2,339,955.14 and 1,122,399.54
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Solution
The fourth proportional to 1,695,174.84, 2,339,955.14 and 1,122,399.54 is: 1,549,317.81
Step by Step Solution
- Step 1: Write the proportion equation
1,695,174.84 : 2,339,955.14 = 1,122,399.54 : x - Step 2: Convert to fraction form
1,695,174.84/2,339,955.14 = 1,122,399.54/x - Step 3: Cross multiply
1,695,174.84x = 2,339,955.14 × 1,122,399.54 - Step 4: Simplify right side
1,695,174.84x = 2,626,364,567,144.64 - Step 5: Solve for x
x = 2,626,364,567,144.64/1,695,174.84 - Step 6: Final answer
x = 1,549,317.81
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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.