Finding the Fourth Proportional to 2,117,319.60, 3,175,979.40 and 1,445,473.20
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Solution
The fourth proportional to 2,117,319.60, 3,175,979.40 and 1,445,473.20 is: 2,168,209.80
Step by Step Solution
- Step 1: Write the proportion equation
2,117,319.60 : 3,175,979.40 = 1,445,473.20 : x - Step 2: Convert to fraction form
2,117,319.60/3,175,979.40 = 1,445,473.20/x - Step 3: Cross multiply
2,117,319.60x = 3,175,979.40 × 1,445,473.20 - Step 4: Simplify right side
2,117,319.60x = 4,590,793,106,452.08 - Step 5: Solve for x
x = 4,590,793,106,452.08/2,117,319.60 - Step 6: Final answer
x = 2,168,209.80
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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.