Finding the Fourth Proportional to 2,151,005.76, 2,967,157.98 and 1,344,790.08
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Solution
The fourth proportional to 2,151,005.76, 2,967,157.98 and 1,344,790.08 is: 1,855,041.34
Step by Step Solution
- Step 1: Write the proportion equation
2,151,005.76 : 2,967,157.98 = 1,344,790.08 : x - Step 2: Convert to fraction form
2,151,005.76/2,967,157.98 = 1,344,790.08/x - Step 3: Cross multiply
2,151,005.76x = 2,967,157.98 × 1,344,790.08 - Step 4: Simplify right side
2,151,005.76x = 3,990,204,617,296.84 - Step 5: Solve for x
x = 3,990,204,617,296.84/2,151,005.76 - Step 6: Final answer
x = 1,855,041.34
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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.