Finding the Fourth Proportional to 2,000,955.98, 3,000,984.74 and 920,430.78
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Solution
The fourth proportional to 2,000,955.98, 3,000,984.74 and 920,430.78 is: 1,380,439.53
Step by Step Solution
- Step 1: Write the proportion equation
2,000,955.98 : 3,000,984.74 = 920,430.78 : x - Step 2: Convert to fraction form
2,000,955.98/3,000,984.74 = 920,430.78/x - Step 3: Cross multiply
2,000,955.98x = 3,000,984.74 × 920,430.78 - Step 4: Simplify right side
2,000,955.98x = 2,762,198,720,404.14 - Step 5: Solve for x
x = 2,762,198,720,404.14/2,000,955.98 - Step 6: Final answer
x = 1,380,439.53
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1.5x scale
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.