Finding the Fourth Proportional to 2,974,457.88, 4,104,812.58 and 1,616,418.36
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Solution
The fourth proportional to 2,974,457.88, 4,104,812.58 and 1,616,418.36 is: 2,230,690.33
Step by Step Solution
- Step 1: Write the proportion equation
2,974,457.88 : 4,104,812.58 = 1,616,418.36 : x - Step 2: Convert to fraction form
2,974,457.88/4,104,812.58 = 1,616,418.36/x - Step 3: Cross multiply
2,974,457.88x = 4,104,812.58 × 1,616,418.36 - Step 4: Simplify right side
2,974,457.88x = 6,635,094,418,670.97 - Step 5: Solve for x
x = 6,635,094,418,670.97/2,974,457.88 - Step 6: Final answer
x = 2,230,690.33
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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.