Finding the Fourth Proportional to 3,184,079.10, 4,386,555.99 and 2,215,543.74
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Solution
The fourth proportional to 3,184,079.10, 4,386,555.99 and 2,215,543.74 is: 3,052,250.39
Step by Step Solution
- Step 1: Write the proportion equation
3,184,079.10 : 4,386,555.99 = 2,215,543.74 : x - Step 2: Convert to fraction form
3,184,079.10/4,386,555.99 = 2,215,543.74/x - Step 3: Cross multiply
3,184,079.10x = 4,386,555.99 × 2,215,543.74 - Step 4: Simplify right side
3,184,079.10x = 9,718,606,663,804.00 - Step 5: Solve for x
x = 9,718,606,663,804.00/3,184,079.10 - Step 6: Final answer
x = 3,052,250.39
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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.