Finding the Fourth Proportional to 1,548,609.16, 2,137,857.68 and 968,154.79
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Solution
The fourth proportional to 1,548,609.16, 2,137,857.68 and 968,154.79 is: 1,336,539.40
Step by Step Solution
- Step 1: Write the proportion equation
1,548,609.16 : 2,137,857.68 = 968,154.79 : x - Step 2: Convert to fraction form
1,548,609.16/2,137,857.68 = 968,154.79/x - Step 3: Cross multiply
1,548,609.16x = 2,137,857.68 × 968,154.79 - Step 4: Simplify right side
1,548,609.16x = 2,069,777,153,230.29 - Step 5: Solve for x
x = 2,069,777,153,230.29/1,548,609.16 - Step 6: Final answer
x = 1,336,539.40
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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.