Finding the Fourth Proportional to 1,760,859.14, 2,636,769.04 and 1,220,345.06
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Solution
The fourth proportional to 1,760,859.14, 2,636,769.04 and 1,220,345.06 is: 1,827,385.28
Step by Step Solution
- Step 1: Write the proportion equation
1,760,859.14 : 2,636,769.04 = 1,220,345.06 : x - Step 2: Convert to fraction form
1,760,859.14/2,636,769.04 = 1,220,345.06/x - Step 3: Cross multiply
1,760,859.14x = 2,636,769.04 × 1,220,345.06 - Step 4: Simplify right side
1,760,859.14x = 3,217,768,072,324.94 - Step 5: Solve for x
x = 3,217,768,072,324.94/1,760,859.14 - Step 6: Final answer
x = 1,827,385.28
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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.