Finding the Fourth Proportional to 3,976,325.86, 5,487,402.23 and 2,210,389.99
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Solution
The fourth proportional to 3,976,325.86, 5,487,402.23 and 2,210,389.99 is: 3,050,378.52
Step by Step Solution
- Step 1: Write the proportion equation
3,976,325.86 : 5,487,402.23 = 2,210,389.99 : x - Step 2: Convert to fraction form
3,976,325.86/5,487,402.23 = 2,210,389.99/x - Step 3: Cross multiply
3,976,325.86x = 5,487,402.23 × 2,210,389.99 - Step 4: Simplify right side
3,976,325.86x = 12,129,298,965,464.22 - Step 5: Solve for x
x = 12,129,298,965,464.22/3,976,325.86 - Step 6: Final answer
x = 3,050,378.52
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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.