Finding the Fourth Proportional to 1,377,081.08, 1,900,391.65 and 756,943.68
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Solution
The fourth proportional to 1,377,081.08, 1,900,391.65 and 756,943.68 is: 1,044,593.14
Step by Step Solution
- Step 1: Write the proportion equation
1,377,081.08 : 1,900,391.65 = 756,943.68 : x - Step 2: Convert to fraction form
1,377,081.08/1,900,391.65 = 756,943.68/x - Step 3: Cross multiply
1,377,081.08x = 1,900,391.65 × 756,943.68 - Step 4: Simplify right side
1,377,081.08x = 1,438,489,447,947.31 - Step 5: Solve for x
x = 1,438,489,447,947.31/1,377,081.08 - Step 6: Final answer
x = 1,044,593.14
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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.