Finding the Fourth Proportional to 2,811,781.87, 4,216,800.60 and 1,014,431.68
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Solution
The fourth proportional to 2,811,781.87, 4,216,800.60 and 1,014,431.68 is: 1,521,332.84
Step by Step Solution
- Step 1: Write the proportion equation
2,811,781.87 : 4,216,800.60 = 1,014,431.68 : x - Step 2: Convert to fraction form
2,811,781.87/4,216,800.60 = 1,014,431.68/x - Step 3: Cross multiply
2,811,781.87x = 4,216,800.60 × 1,014,431.68 - Step 4: Simplify right side
2,811,781.87x = 4,277,656,106,341.01 - Step 5: Solve for x
x = 4,277,656,106,341.01/2,811,781.87 - Step 6: Final answer
x = 1,521,332.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.