Finding the Fourth Proportional to 2,438,492.16, 3,366,286.08 and 1,624,051.20
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Solution
The fourth proportional to 2,438,492.16, 3,366,286.08 and 1,624,051.20 is: 2,241,967.82
Step by Step Solution
- Step 1: Write the proportion equation
2,438,492.16 : 3,366,286.08 = 1,624,051.20 : x - Step 2: Convert to fraction form
2,438,492.16/3,366,286.08 = 1,624,051.20/x - Step 3: Cross multiply
2,438,492.16x = 3,366,286.08 × 1,624,051.20 - Step 4: Simplify right side
2,438,492.16x = 5,467,020,947,767.30 - Step 5: Solve for x
x = 5,467,020,947,767.30/2,438,492.16 - Step 6: Final answer
x = 2,241,967.82
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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.