Finding the Fourth Proportional to 1,296,314.70, 1,944,472.05 and 349,781.10
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Solution
The fourth proportional to 1,296,314.70, 1,944,472.05 and 349,781.10 is: 524,671.65
Step by Step Solution
- Step 1: Write the proportion equation
1,296,314.70 : 1,944,472.05 = 349,781.10 : x - Step 2: Convert to fraction form
1,296,314.70/1,944,472.05 = 349,781.10/x - Step 3: Cross multiply
1,296,314.70x = 1,944,472.05 × 349,781.10 - Step 4: Simplify right side
1,296,314.70x = 680,139,572,568.26 - Step 5: Solve for x
x = 680,139,572,568.26/1,296,314.70 - Step 6: Final answer
x = 524,671.65
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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.