Finding the Fourth Proportional to 1,998,597.06, 2,757,995.19 and 1,139,434.02
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Solution
The fourth proportional to 1,998,597.06, 2,757,995.19 and 1,139,434.02 is: 1,572,379.75
Step by Step Solution
- Step 1: Write the proportion equation
1,998,597.06 : 2,757,995.19 = 1,139,434.02 : x - Step 2: Convert to fraction form
1,998,597.06/2,757,995.19 = 1,139,434.02/x - Step 3: Cross multiply
1,998,597.06x = 2,757,995.19 × 1,139,434.02 - Step 4: Simplify right side
1,998,597.06x = 3,142,553,546,482.36 - Step 5: Solve for x
x = 3,142,553,546,482.36/1,998,597.06 - Step 6: Final answer
x = 1,572,379.75
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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.