Finding the Fourth Proportional to 2,664,117.20, 3,996,175.80 and 1,168,209.20
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Solution
The fourth proportional to 2,664,117.20, 3,996,175.80 and 1,168,209.20 is: 1,752,313.80
Step by Step Solution
- Step 1: Write the proportion equation
2,664,117.20 : 3,996,175.80 = 1,168,209.20 : x - Step 2: Convert to fraction form
2,664,117.20/3,996,175.80 = 1,168,209.20/x - Step 3: Cross multiply
2,664,117.20x = 3,996,175.80 × 1,168,209.20 - Step 4: Simplify right side
2,664,117.20x = 4,668,369,334,377.36 - Step 5: Solve for x
x = 4,668,369,334,377.36/2,664,117.20 - Step 6: Final answer
x = 1,752,313.80
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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.