Finding the Fourth Proportional to 3,272,078.16, 4,908,379.68 and 1,142,115.12
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Solution
The fourth proportional to 3,272,078.16, 4,908,379.68 and 1,142,115.12 is: 1,713,264.28
Step by Step Solution
- Step 1: Write the proportion equation
3,272,078.16 : 4,908,379.68 = 1,142,115.12 : x - Step 2: Convert to fraction form
3,272,078.16/4,908,379.68 = 1,142,115.12/x - Step 3: Cross multiply
3,272,078.16x = 4,908,379.68 × 1,142,115.12 - Step 4: Simplify right side
3,272,078.16x = 5,605,934,647,228.76 - Step 5: Solve for x
x = 5,605,934,647,228.76/3,272,078.16 - Step 6: Final answer
x = 1,713,264.28
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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.