Finding the Fourth Proportional to 3,516,793.84, 5,275,132.62 and 1,120,605.94
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Solution
The fourth proportional to 3,516,793.84, 5,275,132.62 and 1,120,605.94 is: 1,680,890.38
Step by Step Solution
- Step 1: Write the proportion equation
3,516,793.84 : 5,275,132.62 = 1,120,605.94 : x - Step 2: Convert to fraction form
3,516,793.84/5,275,132.62 = 1,120,605.94/x - Step 3: Cross multiply
3,516,793.84x = 5,275,132.62 × 1,120,605.94 - Step 4: Simplify right side
3,516,793.84x = 5,911,344,948,259.76 - Step 5: Solve for x
x = 5,911,344,948,259.76/3,516,793.84 - Step 6: Final answer
x = 1,680,890.38
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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.