Finding the Fourth Proportional to 3,187,149.79, 4,398,154.99 and 1,736,815.63
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Solution
The fourth proportional to 3,187,149.79, 4,398,154.99 and 1,736,815.63 is: 2,396,744.69
Step by Step Solution
- Step 1: Write the proportion equation
3,187,149.79 : 4,398,154.99 = 1,736,815.63 : x - Step 2: Convert to fraction form
3,187,149.79/4,398,154.99 = 1,736,815.63/x - Step 3: Cross multiply
3,187,149.79x = 4,398,154.99 × 1,736,815.63 - Step 4: Simplify right side
3,187,149.79x = 7,638,784,329,794.49 - Step 5: Solve for x
x = 7,638,784,329,794.49/3,187,149.79 - Step 6: Final answer
x = 2,396,744.69
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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.