Finding the Fourth Proportional to 2,027,988.96, 2,798,624.82 and 1,122,570.96
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Solution
The fourth proportional to 2,027,988.96, 2,798,624.82 and 1,122,570.96 is: 1,549,147.96
Step by Step Solution
- Step 1: Write the proportion equation
2,027,988.96 : 2,798,624.82 = 1,122,570.96 : x - Step 2: Convert to fraction form
2,027,988.96/2,798,624.82 = 1,122,570.96/x - Step 3: Cross multiply
2,027,988.96x = 2,798,624.82 × 1,122,570.96 - Step 4: Simplify right side
2,027,988.96x = 3,141,654,950,867.23 - Step 5: Solve for x
x = 3,141,654,950,867.23/2,027,988.96 - Step 6: Final answer
x = 1,549,147.96
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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.