Finding the Fourth Proportional to 1,853,346.29, 2,556,299.12 and 1,700,876.95
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Solution
The fourth proportional to 1,853,346.29, 2,556,299.12 and 1,700,876.95 is: 2,345,999.92
Step by Step Solution
- Step 1: Write the proportion equation
1,853,346.29 : 2,556,299.12 = 1,700,876.95 : x - Step 2: Convert to fraction form
1,853,346.29/2,556,299.12 = 1,700,876.95/x - Step 3: Cross multiply
1,853,346.29x = 2,556,299.12 × 1,700,876.95 - Step 4: Simplify right side
1,853,346.29x = 4,347,950,235,618.15 - Step 5: Solve for x
x = 4,347,950,235,618.15/1,853,346.29 - Step 6: Final answer
x = 2,345,999.92
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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.