Finding the Fourth Proportional to 1,636,267.65, 2,258,027.81 and 901,207.80
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Solution
The fourth proportional to 1,636,267.65, 2,258,027.81 and 901,207.80 is: 1,243,654.90
Step by Step Solution
- Step 1: Write the proportion equation
1,636,267.65 : 2,258,027.81 = 901,207.80 : x - Step 2: Convert to fraction form
1,636,267.65/2,258,027.81 = 901,207.80/x - Step 3: Cross multiply
1,636,267.65x = 2,258,027.81 × 901,207.80 - Step 4: Simplify right side
1,636,267.65x = 2,034,952,274,988.92 - Step 5: Solve for x
x = 2,034,952,274,988.92/1,636,267.65 - Step 6: Final answer
x = 1,243,654.90
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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.