Finding the Fourth Proportional to 2,230,633.18, 3,079,246.08 and 1,416,089.08
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Solution
The fourth proportional to 2,230,633.18, 3,079,246.08 and 1,416,089.08 is: 1,954,820.18
Step by Step Solution
- Step 1: Write the proportion equation
2,230,633.18 : 3,079,246.08 = 1,416,089.08 : x - Step 2: Convert to fraction form
2,230,633.18/3,079,246.08 = 1,416,089.08/x - Step 3: Cross multiply
2,230,633.18x = 3,079,246.08 × 1,416,089.08 - Step 4: Simplify right side
2,230,633.18x = 4,360,486,748,520.81 - Step 5: Solve for x
x = 4,360,486,748,520.81/2,230,633.18 - Step 6: Final answer
x = 1,954,820.18
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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.