Finding the Fourth Proportional to 2,389,328.62, 3,297,272.06 and 1,316,240.62
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Solution
The fourth proportional to 2,389,328.62, 3,297,272.06 and 1,316,240.62 is: 1,816,411.26
Step by Step Solution
- Step 1: Write the proportion equation
2,389,328.62 : 3,297,272.06 = 1,316,240.62 : x - Step 2: Convert to fraction form
2,389,328.62/3,297,272.06 = 1,316,240.62/x - Step 3: Cross multiply
2,389,328.62x = 3,297,272.06 × 1,316,240.62 - Step 4: Simplify right side
2,389,328.62x = 4,340,003,420,563.08 - Step 5: Solve for x
x = 4,340,003,420,563.08/2,389,328.62 - Step 6: Final answer
x = 1,816,411.26
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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.