Finding the Fourth Proportional to 2,126,358.54, 3,189,549.33 and 528,921.66
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Solution
The fourth proportional to 2,126,358.54, 3,189,549.33 and 528,921.66 is: 793,385.36
Step by Step Solution
- Step 1: Write the proportion equation
2,126,358.54 : 3,189,549.33 = 528,921.66 : x - Step 2: Convert to fraction form
2,126,358.54/3,189,549.33 = 528,921.66/x - Step 3: Cross multiply
2,126,358.54x = 3,189,549.33 × 528,921.66 - Step 4: Simplify right side
2,126,358.54x = 1,687,021,726,275.49 - Step 5: Solve for x
x = 1,687,021,726,275.49/2,126,358.54 - Step 6: Final answer
x = 793,385.36
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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.