Finding the Fourth Proportional to 1,570,415.68, 2,355,850.24 and 771,742.72
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Solution
The fourth proportional to 1,570,415.68, 2,355,850.24 and 771,742.72 is: 1,157,725.50
Step by Step Solution
- Step 1: Write the proportion equation
1,570,415.68 : 2,355,850.24 = 771,742.72 : x - Step 2: Convert to fraction form
1,570,415.68/2,355,850.24 = 771,742.72/x - Step 3: Cross multiply
1,570,415.68x = 2,355,850.24 × 771,742.72 - Step 4: Simplify right side
1,570,415.68x = 1,818,110,272,130.25 - Step 5: Solve for x
x = 1,818,110,272,130.25/1,570,415.68 - Step 6: Final answer
x = 1,157,725.50
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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.