Finding the Fourth Proportional to 2,559,925.76, 3,532,666.97 and 1,398,357.81
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Solution
The fourth proportional to 2,559,925.76, 3,532,666.97 and 1,398,357.81 is: 1,929,717.08
Step by Step Solution
- Step 1: Write the proportion equation
2,559,925.76 : 3,532,666.97 = 1,398,357.81 : x - Step 2: Convert to fraction form
2,559,925.76/3,532,666.97 = 1,398,357.81/x - Step 3: Cross multiply
2,559,925.76x = 3,532,666.97 × 1,398,357.81 - Step 4: Simplify right side
2,559,925.76x = 4,939,932,451,124.43 - Step 5: Solve for x
x = 4,939,932,451,124.43/2,559,925.76 - Step 6: Final answer
x = 1,929,717.08
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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.