Finding the Fourth Proportional to 4,649,667.80, 6,974,501.70 and 1,656,771.80
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Solution
The fourth proportional to 4,649,667.80, 6,974,501.70 and 1,656,771.80 is: 2,485,157.70
Step by Step Solution
- Step 1: Write the proportion equation
4,649,667.80 : 6,974,501.70 = 1,656,771.80 : x - Step 2: Convert to fraction form
4,649,667.80/6,974,501.70 = 1,656,771.80/x - Step 3: Cross multiply
4,649,667.80x = 6,974,501.70 × 1,656,771.80 - Step 4: Simplify right side
4,649,667.80x = 11,555,157,735,612.06 - Step 5: Solve for x
x = 11,555,157,735,612.06/4,649,667.80 - Step 6: Final answer
x = 2,485,157.70
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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.