Finding the Fourth Proportional to 2,235,873.80, 3,085,404.18 and 1,217,276.36
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Solution
The fourth proportional to 2,235,873.80, 3,085,404.18 and 1,217,276.36 is: 1,679,786.03
Step by Step Solution
- Step 1: Write the proportion equation
2,235,873.80 : 3,085,404.18 = 1,217,276.36 : x - Step 2: Convert to fraction form
2,235,873.80/3,085,404.18 = 1,217,276.36/x - Step 3: Cross multiply
2,235,873.80x = 3,085,404.18 × 1,217,276.36 - Step 4: Simplify right side
2,235,873.80x = 3,755,789,569,359.19 - Step 5: Solve for x
x = 3,755,789,569,359.19/2,235,873.80 - Step 6: Final answer
x = 1,679,786.03
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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.