Finding the Fourth Proportional to 7,117,873.71, 10,678,631.24 and 2,069,184.21
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Solution
The fourth proportional to 7,117,873.71, 10,678,631.24 and 2,069,184.21 is: 3,104,305.59
Step by Step Solution
- Step 1: Write the proportion equation
7,117,873.71 : 10,678,631.24 = 2,069,184.21 : x - Step 2: Convert to fraction form
7,117,873.71/10,678,631.24 = 2,069,184.21/x - Step 3: Cross multiply
7,117,873.71x = 10,678,631.24 × 2,069,184.21 - Step 4: Simplify right side
7,117,873.71x = 22,096,055,111,348.81 - Step 5: Solve for x
x = 22,096,055,111,348.81/7,117,873.71 - Step 6: Final answer
x = 3,104,305.59
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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.