Finding the Fourth Proportional to 1,921,587.42, 2,652,054.30 and 1,105,774.44
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Solution
The fourth proportional to 1,921,587.42, 2,652,054.30 and 1,105,774.44 is: 1,526,120.45
Step by Step Solution
- Step 1: Write the proportion equation
1,921,587.42 : 2,652,054.30 = 1,105,774.44 : x - Step 2: Convert to fraction form
1,921,587.42/2,652,054.30 = 1,105,774.44/x - Step 3: Cross multiply
1,921,587.42x = 2,652,054.30 × 1,105,774.44 - Step 4: Simplify right side
1,921,587.42x = 2,932,573,858,432.09 - Step 5: Solve for x
x = 2,932,573,858,432.09/1,921,587.42 - Step 6: Final answer
x = 1,526,120.45
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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.