Finding the Fourth Proportional to 4,730,939.78, 6,528,699.39 and 2,555,482.88
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Solution
The fourth proportional to 4,730,939.78, 6,528,699.39 and 2,555,482.88 is: 3,526,567.72
Step by Step Solution
- Step 1: Write the proportion equation
4,730,939.78 : 6,528,699.39 = 2,555,482.88 : x - Step 2: Convert to fraction form
4,730,939.78/6,528,699.39 = 2,555,482.88/x - Step 3: Cross multiply
4,730,939.78x = 6,528,699.39 × 2,555,482.88 - Step 4: Simplify right side
4,730,939.78x = 16,683,979,519,811.44 - Step 5: Solve for x
x = 16,683,979,519,811.44/4,730,939.78 - Step 6: Final answer
x = 3,526,567.72
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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.