Finding the Fourth Proportional to 1,699,673.59, 2,345,718.99 and 1,269,206.38
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Solution
The fourth proportional to 1,699,673.59, 2,345,718.99 and 1,269,206.38 is: 1,751,631.33
Step by Step Solution
- Step 1: Write the proportion equation
1,699,673.59 : 2,345,718.99 = 1,269,206.38 : x - Step 2: Convert to fraction form
1,699,673.59/2,345,718.99 = 1,269,206.38/x - Step 3: Cross multiply
1,699,673.59x = 2,345,718.99 × 1,269,206.38 - Step 4: Simplify right side
1,699,673.59x = 2,977,201,515,486.83 - Step 5: Solve for x
x = 2,977,201,515,486.83/1,699,673.59 - Step 6: Final answer
x = 1,751,631.33
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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.