Finding the Fourth Proportional to 3,643,450.49, 5,028,404.99 and 2,115,557.57
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Solution
The fourth proportional to 3,643,450.49, 5,028,404.99 and 2,115,557.57 is: 2,919,726.85
Step by Step Solution
- Step 1: Write the proportion equation
3,643,450.49 : 5,028,404.99 = 2,115,557.57 : x - Step 2: Convert to fraction form
3,643,450.49/5,028,404.99 = 2,115,557.57/x - Step 3: Cross multiply
3,643,450.49x = 5,028,404.99 × 2,115,557.57 - Step 4: Simplify right side
3,643,450.49x = 10,637,880,243,613.50 - Step 5: Solve for x
x = 10,637,880,243,613.50/3,643,450.49 - Step 6: Final answer
x = 2,919,726.85
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1.5x scale
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.