Finding the Fourth Proportional to 4,845,544.41, 6,686,767.31 and 2,808,543.45
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Solution
The fourth proportional to 4,845,544.41, 6,686,767.31 and 2,808,543.45 is: 3,875,741.28
Step by Step Solution
- Step 1: Write the proportion equation
4,845,544.41 : 6,686,767.31 = 2,808,543.45 : x - Step 2: Convert to fraction form
4,845,544.41/6,686,767.31 = 2,808,543.45/x - Step 3: Cross multiply
4,845,544.41x = 6,686,767.31 × 2,808,543.45 - Step 4: Simplify right side
4,845,544.41x = 18,780,076,516,131.90 - Step 5: Solve for x
x = 18,780,076,516,131.90/4,845,544.41 - Step 6: Final answer
x = 3,875,741.28
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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.