Finding the Fourth Proportional to 5,089,865.34, 7,634,730.78 and 1,251,720.84
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Solution
The fourth proportional to 5,089,865.34, 7,634,730.78 and 1,251,720.84 is: 1,877,564.73
Step by Step Solution
- Step 1: Write the proportion equation
5,089,865.34 : 7,634,730.78 = 1,251,720.84 : x - Step 2: Convert to fraction form
5,089,865.34/7,634,730.78 = 1,251,720.84/x - Step 3: Cross multiply
5,089,865.34x = 7,634,730.78 × 1,251,720.84 - Step 4: Simplify right side
5,089,865.34x = 9,556,551,625,115.46 - Step 5: Solve for x
x = 9,556,551,625,115.46/5,089,865.34 - Step 6: Final answer
x = 1,877,564.73
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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.