Finding the Fourth Proportional to 5,386,699.32, 8,079,968.79 and 2,506,453.14
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Solution
The fourth proportional to 5,386,699.32, 8,079,968.79 and 2,506,453.14 is: 3,759,642.40
Step by Step Solution
- Step 1: Write the proportion equation
5,386,699.32 : 8,079,968.79 = 2,506,453.14 : x - Step 2: Convert to fraction form
5,386,699.32/8,079,968.79 = 2,506,453.14/x - Step 3: Cross multiply
5,386,699.32x = 8,079,968.79 × 2,506,453.14 - Step 4: Simplify right side
5,386,699.32x = 20,252,063,144,797.50 - Step 5: Solve for x
x = 20,252,063,144,797.50/5,386,699.32 - Step 6: Final answer
x = 3,759,642.40
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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.