Finding the Fourth Proportional to 6,118,102.80, 8,442,320.01 and 3,539,301.75
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Solution
The fourth proportional to 6,118,102.80, 8,442,320.01 and 3,539,301.75 is: 4,883,853.53
Step by Step Solution
- Step 1: Write the proportion equation
6,118,102.80 : 8,442,320.01 = 3,539,301.75 : x - Step 2: Convert to fraction form
6,118,102.80/8,442,320.01 = 3,539,301.75/x - Step 3: Cross multiply
6,118,102.80x = 8,442,320.01 × 3,539,301.75 - Step 4: Simplify right side
6,118,102.80x = 29,879,917,972,180.63 - Step 5: Solve for x
x = 29,879,917,972,180.63/6,118,102.80 - Step 6: Final answer
x = 4,883,853.53
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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.