Finding the Fourth Proportional to 3,021,890.95, 4,533,168.53 and 999,398.14
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Solution
The fourth proportional to 3,021,890.95, 4,533,168.53 and 999,398.14 is: 1,499,207.04
Step by Step Solution
- Step 1: Write the proportion equation
3,021,890.95 : 4,533,168.53 = 999,398.14 : x - Step 2: Convert to fraction form
3,021,890.95/4,533,168.53 = 999,398.14/x - Step 3: Cross multiply
3,021,890.95x = 4,533,168.53 × 999,398.14 - Step 4: Simplify right side
3,021,890.95x = 4,530,440,192,191.54 - Step 5: Solve for x
x = 4,530,440,192,191.54/3,021,890.95 - Step 6: Final answer
x = 1,499,207.04
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1.5x scale
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.