Finding the Fourth Proportional to 4,642,302.66, 6,406,838.04 and 2,605,120.26
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Solution
The fourth proportional to 4,642,302.66, 6,406,838.04 and 2,605,120.26 is: 3,595,324.30
Step by Step Solution
- Step 1: Write the proportion equation
4,642,302.66 : 6,406,838.04 = 2,605,120.26 : x - Step 2: Convert to fraction form
4,642,302.66/6,406,838.04 = 2,605,120.26/x - Step 3: Cross multiply
4,642,302.66x = 6,406,838.04 × 2,605,120.26 - Step 4: Simplify right side
4,642,302.66x = 16,690,583,580,542.69 - Step 5: Solve for x
x = 16,690,583,580,542.69/4,642,302.66 - Step 6: Final answer
x = 3,595,324.30
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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.