Finding the Fourth Proportional to 2,118,065.43, 3,154,675.98 and 2,107,742.79
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Solution
The fourth proportional to 2,118,065.43, 3,154,675.98 and 2,107,742.79 is: 3,139,301.30
Step by Step Solution
- Step 1: Write the proportion equation
2,118,065.43 : 3,154,675.98 = 2,107,742.79 : x - Step 2: Convert to fraction form
2,118,065.43/3,154,675.98 = 2,107,742.79/x - Step 3: Cross multiply
2,118,065.43x = 3,154,675.98 × 2,107,742.79 - Step 4: Simplify right side
2,118,065.43x = 6,649,245,551,631.19 - Step 5: Solve for x
x = 6,649,245,551,631.19/2,118,065.43 - Step 6: Final answer
x = 3,139,301.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.