Finding the Fourth Proportional to 1,358,363.38, 1,874,550.45 and 849,363.70
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Solution
The fourth proportional to 1,358,363.38, 1,874,550.45 and 849,363.70 is: 1,172,127.52
Step by Step Solution
- Step 1: Write the proportion equation
1,358,363.38 : 1,874,550.45 = 849,363.70 : x - Step 2: Convert to fraction form
1,358,363.38/1,874,550.45 = 849,363.70/x - Step 3: Cross multiply
1,358,363.38x = 1,874,550.45 × 849,363.70 - Step 4: Simplify right side
1,358,363.38x = 1,592,175,106,048.66 - Step 5: Solve for x
x = 1,592,175,106,048.66/1,358,363.38 - Step 6: Final answer
x = 1,172,127.52
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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.