Finding the Fourth Proportional to 6,370,128.04, 8,791,644.45 and 3,757,370.17
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Solution
The fourth proportional to 6,370,128.04, 8,791,644.45 and 3,757,370.17 is: 5,185,682.67
Step by Step Solution
- Step 1: Write the proportion equation
6,370,128.04 : 8,791,644.45 = 3,757,370.17 : x - Step 2: Convert to fraction form
6,370,128.04/8,791,644.45 = 3,757,370.17/x - Step 3: Cross multiply
6,370,128.04x = 8,791,644.45 × 3,757,370.17 - Step 4: Simplify right side
6,370,128.04x = 33,033,462,601,676.05 - Step 5: Solve for x
x = 33,033,462,601,676.05/6,370,128.04 - Step 6: Final answer
x = 5,185,682.67
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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.