Finding the Fourth Proportional to 2,912,410.62, 4,369,246.54 and 1,115,294.18
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Solution
The fourth proportional to 2,912,410.62, 4,369,246.54 and 1,115,294.18 is: 1,673,182.75
Step by Step Solution
- Step 1: Write the proportion equation
2,912,410.62 : 4,369,246.54 = 1,115,294.18 : x - Step 2: Convert to fraction form
2,912,410.62/4,369,246.54 = 1,115,294.18/x - Step 3: Cross multiply
2,912,410.62x = 4,369,246.54 × 1,115,294.18 - Step 4: Simplify right side
2,912,410.62x = 4,872,995,212,412.67 - Step 5: Solve for x
x = 4,872,995,212,412.67/2,912,410.62 - Step 6: Final answer
x = 1,673,182.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.