Finding the Fourth Proportional to 7,279,585.56, 10,919,381.98 and 2,487,321.81
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Solution
The fourth proportional to 7,279,585.56, 10,919,381.98 and 2,487,321.81 is: 3,730,983.96
Step by Step Solution
- Step 1: Write the proportion equation
7,279,585.56 : 10,919,381.98 = 2,487,321.81 : x - Step 2: Convert to fraction form
7,279,585.56/10,919,381.98 = 2,487,321.81/x - Step 3: Cross multiply
7,279,585.56x = 10,919,381.98 × 2,487,321.81 - Step 4: Simplify right side
7,279,585.56x = 27,160,016,950,574.98 - Step 5: Solve for x
x = 27,160,016,950,574.98/7,279,585.56 - Step 6: Final answer
x = 3,730,983.96
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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.