Finding the Fourth Proportional to 4,920,762.08, 6,790,655.92 and 2,745,305.66
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Solution
The fourth proportional to 4,920,762.08, 6,790,655.92 and 2,745,305.66 is: 3,788,524.18
Step by Step Solution
- Step 1: Write the proportion equation
4,920,762.08 : 6,790,655.92 = 2,745,305.66 : x - Step 2: Convert to fraction form
4,920,762.08/6,790,655.92 = 2,745,305.66/x - Step 3: Cross multiply
4,920,762.08x = 6,790,655.92 × 2,745,305.66 - Step 4: Simplify right side
4,920,762.08x = 18,642,426,132,288.51 - Step 5: Solve for x
x = 18,642,426,132,288.51/4,920,762.08 - Step 6: Final answer
x = 3,788,524.18
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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.