Finding the Fourth Proportional to 1,478,732.29, 2,207,401.49 and 1,299,370.95
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Solution
The fourth proportional to 1,478,732.29, 2,207,401.49 and 1,299,370.95 is: 1,939,656.96
Step by Step Solution
- Step 1: Write the proportion equation
1,478,732.29 : 2,207,401.49 = 1,299,370.95 : x - Step 2: Convert to fraction form
1,478,732.29/2,207,401.49 = 1,299,370.95/x - Step 3: Cross multiply
1,478,732.29x = 2,207,401.49 × 1,299,370.95 - Step 4: Simplify right side
1,478,732.29x = 2,868,233,367,032.18 - Step 5: Solve for x
x = 2,868,233,367,032.18/1,478,732.29 - Step 6: Final answer
x = 1,939,656.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.