Finding the Fourth Proportional to 1,720,336.36, 2,373,929.70 and 956,343.40
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Solution
The fourth proportional to 1,720,336.36, 2,373,929.70 and 956,343.40 is: 1,319,679.14
Step by Step Solution
- Step 1: Write the proportion equation
1,720,336.36 : 2,373,929.70 = 956,343.40 : x - Step 2: Convert to fraction form
1,720,336.36/2,373,929.70 = 956,343.40/x - Step 3: Cross multiply
1,720,336.36x = 2,373,929.70 × 956,343.40 - Step 4: Simplify right side
1,720,336.36x = 2,270,292,000,658.98 - Step 5: Solve for x
x = 2,270,292,000,658.98/1,720,336.36 - Step 6: Final answer
x = 1,319,679.14
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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.