Finding the Fourth Proportional to 3,889,764.79, 5,834,661.18 and 1,194,090.13
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Solution
The fourth proportional to 3,889,764.79, 5,834,661.18 and 1,194,090.13 is: 1,791,139.49
Step by Step Solution
- Step 1: Write the proportion equation
3,889,764.79 : 5,834,661.18 = 1,194,090.13 : x - Step 2: Convert to fraction form
3,889,764.79/5,834,661.18 = 1,194,090.13/x - Step 3: Cross multiply
3,889,764.79x = 5,834,661.18 × 1,194,090.13 - Step 4: Simplify right side
3,889,764.79x = 6,967,111,326,932.15 - Step 5: Solve for x
x = 6,967,111,326,932.15/3,889,764.79 - Step 6: Final answer
x = 1,791,139.49
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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.