Finding the Fourth Proportional to 5,207,247.77, 7,812,118.74 and 2,172,925.71
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Solution
The fourth proportional to 5,207,247.77, 7,812,118.74 and 2,172,925.71 is: 3,259,908.96
Step by Step Solution
- Step 1: Write the proportion equation
5,207,247.77 : 7,812,118.74 = 2,172,925.71 : x - Step 2: Convert to fraction form
5,207,247.77/7,812,118.74 = 2,172,925.71/x - Step 3: Cross multiply
5,207,247.77x = 7,812,118.74 × 2,172,925.71 - Step 4: Simplify right side
5,207,247.77x = 16,975,153,659,718.80 - Step 5: Solve for x
x = 16,975,153,659,718.80/5,207,247.77 - Step 6: Final answer
x = 3,259,908.96
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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.