Finding the Fourth Proportional to 2,651,968.80, 3,977,953.20 and 970,279.20
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Solution
The fourth proportional to 2,651,968.80, 3,977,953.20 and 970,279.20 is: 1,455,418.80
Step by Step Solution
- Step 1: Write the proportion equation
2,651,968.80 : 3,977,953.20 = 970,279.20 : x - Step 2: Convert to fraction form
2,651,968.80/3,977,953.20 = 970,279.20/x - Step 3: Cross multiply
2,651,968.80x = 3,977,953.20 × 970,279.20 - Step 4: Simplify right side
2,651,968.80x = 3,859,725,248,533.44 - Step 5: Solve for x
x = 3,859,725,248,533.44/2,651,968.80 - Step 6: Final answer
x = 1,455,418.80
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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.