Finding the Fourth Proportional to 2,960,143.20, 4,440,214.80 and 716,281.20
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Solution
The fourth proportional to 2,960,143.20, 4,440,214.80 and 716,281.20 is: 1,074,421.80
Step by Step Solution
- Step 1: Write the proportion equation
2,960,143.20 : 4,440,214.80 = 716,281.20 : x - Step 2: Convert to fraction form
2,960,143.20/4,440,214.80 = 716,281.20/x - Step 3: Cross multiply
2,960,143.20x = 4,440,214.80 × 716,281.20 - Step 4: Simplify right side
2,960,143.20x = 3,180,442,385,201.76 - Step 5: Solve for x
x = 3,180,442,385,201.76/2,960,143.20 - Step 6: Final answer
x = 1,074,421.80
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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.