Finding the Fourth Proportional to 6,291,968.09, 9,436,418.49 and 1,742,898.74
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Solution
The fourth proportional to 6,291,968.09, 9,436,418.49 and 1,742,898.74 is: 2,613,923.28
Step by Step Solution
- Step 1: Write the proportion equation
6,291,968.09 : 9,436,418.49 = 1,742,898.74 : x - Step 2: Convert to fraction form
6,291,968.09/9,436,418.49 = 1,742,898.74/x - Step 3: Cross multiply
6,291,968.09x = 9,436,418.49 × 1,742,898.74 - Step 4: Simplify right side
6,291,968.09x = 16,446,721,855,687.48 - Step 5: Solve for x
x = 16,446,721,855,687.48/6,291,968.09 - Step 6: Final answer
x = 2,613,923.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.