Finding the Fourth Proportional to 2,139,177.67, 2,952,067.74 and 1,159,115.99
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Solution
The fourth proportional to 2,139,177.67, 2,952,067.74 and 1,159,115.99 is: 1,599,581.44
Step by Step Solution
- Step 1: Write the proportion equation
2,139,177.67 : 2,952,067.74 = 1,159,115.99 : x - Step 2: Convert to fraction form
2,139,177.67/2,952,067.74 = 1,159,115.99/x - Step 3: Cross multiply
2,139,177.67x = 2,952,067.74 × 1,159,115.99 - Step 4: Simplify right side
2,139,177.67x = 3,421,788,901,890.14 - Step 5: Solve for x
x = 3,421,788,901,890.14/2,139,177.67 - Step 6: Final answer
x = 1,599,581.44
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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.