Finding the Fourth Proportional to 1,947,343.76, 2,918,404.68 and 1,515,582.72
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Solution
The fourth proportional to 1,947,343.76, 2,918,404.68 and 1,515,582.72 is: 2,271,342.02
Step by Step Solution
- Step 1: Write the proportion equation
1,947,343.76 : 2,918,404.68 = 1,515,582.72 : x - Step 2: Convert to fraction form
1,947,343.76/2,918,404.68 = 1,515,582.72/x - Step 3: Cross multiply
1,947,343.76x = 2,918,404.68 × 1,515,582.72 - Step 4: Simplify right side
1,947,343.76x = 4,423,083,702,975.13 - Step 5: Solve for x
x = 4,423,083,702,975.13/1,947,343.76 - Step 6: Final answer
x = 2,271,342.02
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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.