Finding the Fourth Proportional to 2,043,326.58, 2,819,588.84 and 1,137,992.82
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Solution
The fourth proportional to 2,043,326.58, 2,819,588.84 and 1,137,992.82 is: 1,570,317.68
Step by Step Solution
- Step 1: Write the proportion equation
2,043,326.58 : 2,819,588.84 = 1,137,992.82 : x - Step 2: Convert to fraction form
2,043,326.58/2,819,588.84 = 1,137,992.82/x - Step 3: Cross multiply
2,043,326.58x = 2,819,588.84 × 1,137,992.82 - Step 4: Simplify right side
2,043,326.58x = 3,208,671,855,272.13 - Step 5: Solve for x
x = 3,208,671,855,272.13/2,043,326.58 - Step 6: Final answer
x = 1,570,317.68
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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.