Finding the Fourth Proportional to 3,109,044.95, 4,663,567.13 and 1,214,457.79
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Solution
The fourth proportional to 3,109,044.95, 4,663,567.13 and 1,214,457.79 is: 1,821,686.56
Step by Step Solution
- Step 1: Write the proportion equation
3,109,044.95 : 4,663,567.13 = 1,214,457.79 : x - Step 2: Convert to fraction form
3,109,044.95/4,663,567.13 = 1,214,457.79/x - Step 3: Cross multiply
3,109,044.95x = 4,663,567.13 × 1,214,457.79 - Step 4: Simplify right side
3,109,044.95x = 5,663,705,412,485.24 - Step 5: Solve for x
x = 5,663,705,412,485.24/3,109,044.95 - Step 6: Final answer
x = 1,821,686.56
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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.