Finding the Fourth Proportional to 5,176,585.17, 7,764,897.80 and 1,582,338.15
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Solution
The fourth proportional to 5,176,585.17, 7,764,897.80 and 1,582,338.15 is: 2,373,513.35
Step by Step Solution
- Step 1: Write the proportion equation
5,176,585.17 : 7,764,897.80 = 1,582,338.15 : x - Step 2: Convert to fraction form
5,176,585.17/7,764,897.80 = 1,582,338.15/x - Step 3: Cross multiply
5,176,585.17x = 7,764,897.80 × 1,582,338.15 - Step 4: Simplify right side
5,176,585.17x = 12,286,694,023,746.91 - Step 5: Solve for x
x = 12,286,694,023,746.91/5,176,585.17 - Step 6: Final answer
x = 2,373,513.35
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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.