Finding the Fourth Proportional to 1,416,125.11, 1,954,275.06 and 771,545.11
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Solution
The fourth proportional to 1,416,125.11, 1,954,275.06 and 771,545.11 is: 1,064,744.46
Step by Step Solution
- Step 1: Write the proportion equation
1,416,125.11 : 1,954,275.06 = 771,545.11 : x - Step 2: Convert to fraction form
1,416,125.11/1,954,275.06 = 771,545.11/x - Step 3: Cross multiply
1,416,125.11x = 1,954,275.06 × 771,545.11 - Step 4: Simplify right side
1,416,125.11x = 1,507,811,366,137.96 - Step 5: Solve for x
x = 1,507,811,366,137.96/1,416,125.11 - Step 6: Final answer
x = 1,064,744.46
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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.