Finding the Fourth Proportional to 6,678,060.19, 10,014,536.71 and 3,643,804.09
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Solution
The fourth proportional to 6,678,060.19, 10,014,536.71 and 3,643,804.09 is: 5,464,312.80
Step by Step Solution
- Step 1: Write the proportion equation
6,678,060.19 : 10,014,536.71 = 3,643,804.09 : x - Step 2: Convert to fraction form
6,678,060.19/10,014,536.71 = 3,643,804.09/x - Step 3: Cross multiply
6,678,060.19x = 10,014,536.71 × 3,643,804.09 - Step 4: Simplify right side
6,678,060.19x = 36,491,009,763,597.90 - Step 5: Solve for x
x = 36,491,009,763,597.90/6,678,060.19 - Step 6: Final answer
x = 5,464,312.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.