Finding the Fourth Proportional to 2,972,515.86, 4,102,079.76 and 1,748,867.49
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Solution
The fourth proportional to 2,972,515.86, 4,102,079.76 and 1,748,867.49 is: 2,413,441.77
Step by Step Solution
- Step 1: Write the proportion equation
2,972,515.86 : 4,102,079.76 = 1,748,867.49 : x - Step 2: Convert to fraction form
2,972,515.86/4,102,079.76 = 1,748,867.49/x - Step 3: Cross multiply
2,972,515.86x = 4,102,079.76 × 1,748,867.49 - Step 4: Simplify right side
2,972,515.86x = 7,173,993,933,651.00 - Step 5: Solve for x
x = 7,173,993,933,651.00/2,972,515.86 - Step 6: Final answer
x = 2,413,441.77
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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.