Finding the Fourth Proportional to 7,956,254.17, 11,929,065.99 and 2,489,497.75
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Solution
The fourth proportional to 7,956,254.17, 11,929,065.99 and 2,489,497.75 is: 3,732,583.49
Step by Step Solution
- Step 1: Write the proportion equation
7,956,254.17 : 11,929,065.99 = 2,489,497.75 : x - Step 2: Convert to fraction form
7,956,254.17/11,929,065.99 = 2,489,497.75/x - Step 3: Cross multiply
7,956,254.17x = 11,929,065.99 × 2,489,497.75 - Step 4: Simplify right side
7,956,254.17x = 29,697,382,941,706.52 - Step 5: Solve for x
x = 29,697,382,941,706.52/7,956,254.17 - Step 6: Final answer
x = 3,732,583.49
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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.