Finding the Fourth Proportional to 2,132,806.14, 2,927,605.68 and 1,885,675.14
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Solution
The fourth proportional to 2,132,806.14, 2,927,605.68 and 1,885,675.14 is: 2,588,380.23
Step by Step Solution
- Step 1: Write the proportion equation
2,132,806.14 : 2,927,605.68 = 1,885,675.14 : x - Step 2: Convert to fraction form
2,132,806.14/2,927,605.68 = 1,885,675.14/x - Step 3: Cross multiply
2,132,806.14x = 2,927,605.68 × 1,885,675.14 - Step 4: Simplify right side
2,132,806.14x = 5,520,513,250,498.80 - Step 5: Solve for x
x = 5,520,513,250,498.80/2,132,806.14 - Step 6: Final answer
x = 2,588,380.23
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.