Finding the Fourth Proportional to 1,858,347.90, 2,784,022.65 and 956,720.70
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Solution
The fourth proportional to 1,858,347.90, 2,784,022.65 and 956,720.70 is: 1,433,279.58
Step by Step Solution
- Step 1: Write the proportion equation
1,858,347.90 : 2,784,022.65 = 956,720.70 : x - Step 2: Convert to fraction form
1,858,347.90/2,784,022.65 = 956,720.70/x - Step 3: Cross multiply
1,858,347.90x = 2,784,022.65 × 956,720.70 - Step 4: Simplify right side
1,858,347.90x = 2,663,532,098,523.86 - Step 5: Solve for x
x = 2,663,532,098,523.86/1,858,347.90 - Step 6: Final answer
x = 1,433,279.58
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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.