Finding the Fourth Proportional to 4,915,221.84, 6,783,036.84 and 2,739,903.12
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Solution
The fourth proportional to 4,915,221.84, 6,783,036.84 and 2,739,903.12 is: 3,781,083.42
Step by Step Solution
- Step 1: Write the proportion equation
4,915,221.84 : 6,783,036.84 = 2,739,903.12 : x - Step 2: Convert to fraction form
4,915,221.84/6,783,036.84 = 2,739,903.12/x - Step 3: Cross multiply
4,915,221.84x = 6,783,036.84 × 2,739,903.12 - Step 4: Simplify right side
4,915,221.84x = 18,584,863,800,990.94 - Step 5: Solve for x
x = 18,584,863,800,990.94/4,915,221.84 - Step 6: Final answer
x = 3,781,083.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.