Finding the Fourth Proportional to 2,403,559.98, 3,319,161.12 and 1,545,610.86
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Solution
The fourth proportional to 2,403,559.98, 3,319,161.12 and 1,545,610.86 is: 2,134,388.79
Step by Step Solution
- Step 1: Write the proportion equation
2,403,559.98 : 3,319,161.12 = 1,545,610.86 : x - Step 2: Convert to fraction form
2,403,559.98/3,319,161.12 = 1,545,610.86/x - Step 3: Cross multiply
2,403,559.98x = 3,319,161.12 × 1,545,610.86 - Step 4: Simplify right side
2,403,559.98x = 5,130,131,473,161.76 - Step 5: Solve for x
x = 5,130,131,473,161.76/2,403,559.98 - Step 6: Final answer
x = 2,134,388.79
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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.