Finding the Fourth Proportional to 1,547,120.05, 2,323,109.09 and 1,310,338.17
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Solution
The fourth proportional to 1,547,120.05, 2,323,109.09 and 1,310,338.17 is: 1,967,564.52
Step by Step Solution
- Step 1: Write the proportion equation
1,547,120.05 : 2,323,109.09 = 1,310,338.17 : x - Step 2: Convert to fraction form
1,547,120.05/2,323,109.09 = 1,310,338.17/x - Step 3: Cross multiply
1,547,120.05x = 2,323,109.09 × 1,310,338.17 - Step 4: Simplify right side
1,547,120.05x = 3,044,058,513,709.82 - Step 5: Solve for x
x = 3,044,058,513,709.82/1,547,120.05 - Step 6: Final answer
x = 1,967,564.52
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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.