Finding the Fourth Proportional to 1,771,745.63, 2,445,764.71 and 1,191,305.19
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Solution
The fourth proportional to 1,771,745.63, 2,445,764.71 and 1,191,305.19 is: 1,644,509.32
Step by Step Solution
- Step 1: Write the proportion equation
1,771,745.63 : 2,445,764.71 = 1,191,305.19 : x - Step 2: Convert to fraction form
1,771,745.63/2,445,764.71 = 1,191,305.19/x - Step 3: Cross multiply
1,771,745.63x = 2,445,764.71 × 1,191,305.19 - Step 4: Simplify right side
1,771,745.63x = 2,913,652,200,968.90 - Step 5: Solve for x
x = 2,913,652,200,968.90/1,771,745.63 - Step 6: Final answer
x = 1,644,509.32
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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.