Finding the Fourth Proportional to 6,620,860.26, 9,136,495.53 and 3,867,802.74
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Solution
The fourth proportional to 6,620,860.26, 9,136,495.53 and 3,867,802.74 is: 5,337,397.42
Step by Step Solution
- Step 1: Write the proportion equation
6,620,860.26 : 9,136,495.53 = 3,867,802.74 : x - Step 2: Convert to fraction form
6,620,860.26/9,136,495.53 = 3,867,802.74/x - Step 3: Cross multiply
6,620,860.26x = 9,136,495.53 × 3,867,802.74 - Step 4: Simplify right side
6,620,860.26x = 35,338,162,444,931.75 - Step 5: Solve for x
x = 35,338,162,444,931.75/6,620,860.26 - Step 6: Final answer
x = 5,337,397.42
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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.