Finding the Fourth Proportional to 2,211,220.49, 3,316,849.30 and 613,908.14
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Solution
The fourth proportional to 2,211,220.49, 3,316,849.30 and 613,908.14 is: 920,867.36
Step by Step Solution
- Step 1: Write the proportion equation
2,211,220.49 : 3,316,849.30 = 613,908.14 : x - Step 2: Convert to fraction form
2,211,220.49/3,316,849.30 = 613,908.14/x - Step 3: Cross multiply
2,211,220.49x = 3,316,849.30 × 613,908.14 - Step 4: Simplify right side
2,211,220.49x = 2,036,240,764,769.52 - Step 5: Solve for x
x = 2,036,240,764,769.52/2,211,220.49 - Step 6: Final answer
x = 920,867.36
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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.