Finding the Fourth Proportional to 1,716,209.48, 2,368,212.53 and 1,018,370.03
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Solution
The fourth proportional to 1,716,209.48, 2,368,212.53 and 1,018,370.03 is: 1,405,257.74
Step by Step Solution
- Step 1: Write the proportion equation
1,716,209.48 : 2,368,212.53 = 1,018,370.03 : x - Step 2: Convert to fraction form
1,716,209.48/2,368,212.53 = 1,018,370.03/x - Step 3: Cross multiply
1,716,209.48x = 2,368,212.53 × 1,018,370.03 - Step 4: Simplify right side
1,716,209.48x = 2,411,716,648,289.56 - Step 5: Solve for x
x = 2,411,716,648,289.56/1,716,209.48 - Step 6: Final answer
x = 1,405,257.74
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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.