Finding the Fourth Proportional to 2,239,124.42, 3,089,875.10 and 1,272,120.50
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Solution
The fourth proportional to 2,239,124.42, 3,089,875.10 and 1,272,120.50 is: 1,755,460.05
Step by Step Solution
- Step 1: Write the proportion equation
2,239,124.42 : 3,089,875.10 = 1,272,120.50 : x - Step 2: Convert to fraction form
2,239,124.42/3,089,875.10 = 1,272,120.50/x - Step 3: Cross multiply
2,239,124.42x = 3,089,875.10 × 1,272,120.50 - Step 4: Simplify right side
2,239,124.42x = 3,930,693,457,149.55 - Step 5: Solve for x
x = 3,930,693,457,149.55/2,239,124.42 - Step 6: Final answer
x = 1,755,460.05
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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.