Finding the Fourth Proportional to 2,485,279.74, 3,727,913.34 and 688,157.22
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Solution
The fourth proportional to 2,485,279.74, 3,727,913.34 and 688,157.22 is: 1,032,234.09
Step by Step Solution
- Step 1: Write the proportion equation
2,485,279.74 : 3,727,913.34 = 688,157.22 : x - Step 2: Convert to fraction form
2,485,279.74/3,727,913.34 = 688,157.22/x - Step 3: Cross multiply
2,485,279.74x = 3,727,913.34 × 688,157.22 - Step 4: Simplify right side
2,485,279.74x = 2,565,390,480,455.31 - Step 5: Solve for x
x = 2,565,390,480,455.31/2,485,279.74 - Step 6: Final answer
x = 1,032,234.09
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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.