Finding the Fourth Proportional to 3,381,290.16, 5,072,224.08 and 1,866,019.08
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Solution
The fourth proportional to 3,381,290.16, 5,072,224.08 and 1,866,019.08 is: 2,799,188.02
Step by Step Solution
- Step 1: Write the proportion equation
3,381,290.16 : 5,072,224.08 = 1,866,019.08 : x - Step 2: Convert to fraction form
3,381,290.16/5,072,224.08 = 1,866,019.08/x - Step 3: Cross multiply
3,381,290.16x = 5,072,224.08 × 1,866,019.08 - Step 4: Simplify right side
3,381,290.16x = 9,464,866,911,315.45 - Step 5: Solve for x
x = 9,464,866,911,315.45/3,381,290.16 - Step 6: Final answer
x = 2,799,188.02
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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.