Finding the Fourth Proportional to 2,955,685.74, 4,433,660.75 and 906,198.84
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Solution
The fourth proportional to 2,955,685.74, 4,433,660.75 and 906,198.84 is: 1,359,338.77
Step by Step Solution
- Step 1: Write the proportion equation
2,955,685.74 : 4,433,660.75 = 906,198.84 : x - Step 2: Convert to fraction form
2,955,685.74/4,433,660.75 = 906,198.84/x - Step 3: Cross multiply
2,955,685.74x = 4,433,660.75 × 906,198.84 - Step 4: Simplify right side
2,955,685.74x = 4,017,778,224,072.54 - Step 5: Solve for x
x = 4,017,778,224,072.54/2,955,685.74 - Step 6: Final answer
x = 1,359,338.77
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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.