Finding the Fourth Proportional to 2,818,541.80, 4,220,814.30 and 2,258,669.80
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Solution
The fourth proportional to 2,818,541.80, 4,220,814.30 and 2,258,669.80 is: 3,382,396.45
Step by Step Solution
- Step 1: Write the proportion equation
2,818,541.80 : 4,220,814.30 = 2,258,669.80 : x - Step 2: Convert to fraction form
2,818,541.80/4,220,814.30 = 2,258,669.80/x - Step 3: Cross multiply
2,818,541.80x = 4,220,814.30 × 2,258,669.80 - Step 4: Simplify right side
2,818,541.80x = 9,533,425,790,818.14 - Step 5: Solve for x
x = 9,533,425,790,818.14/2,818,541.80 - Step 6: Final answer
x = 3,382,396.45
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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.