Finding the Fourth Proportional to 3,253,395.12, 4,489,685.68 and 1,803,184.16
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Solution
The fourth proportional to 3,253,395.12, 4,489,685.68 and 1,803,184.16 is: 2,488,394.37
Step by Step Solution
- Step 1: Write the proportion equation
3,253,395.12 : 4,489,685.68 = 1,803,184.16 : x - Step 2: Convert to fraction form
3,253,395.12/4,489,685.68 = 1,803,184.16/x - Step 3: Cross multiply
3,253,395.12x = 4,489,685.68 × 1,803,184.16 - Step 4: Simplify right side
3,253,395.12x = 8,095,730,101,554.83 - Step 5: Solve for x
x = 8,095,730,101,554.83/3,253,395.12 - Step 6: Final answer
x = 2,488,394.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.