Finding the Fourth Proportional to 3,535,029.12, 4,878,549.30 and 2,662,324.62
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Solution
The fourth proportional to 3,535,029.12, 4,878,549.30 and 2,662,324.62 is: 3,674,165.47
Step by Step Solution
- Step 1: Write the proportion equation
3,535,029.12 : 4,878,549.30 = 2,662,324.62 : x - Step 2: Convert to fraction form
3,535,029.12/4,878,549.30 = 2,662,324.62/x - Step 3: Cross multiply
3,535,029.12x = 4,878,549.30 × 2,662,324.62 - Step 4: Simplify right side
3,535,029.12x = 12,988,281,911,273.77 - Step 5: Solve for x
x = 12,988,281,911,273.77/3,535,029.12 - Step 6: Final answer
x = 3,674,165.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.