Finding the Fourth Proportional to 1,557,445.41, 2,149,270.63 and 869,110.07
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Solution
The fourth proportional to 1,557,445.41, 2,149,270.63 and 869,110.07 is: 1,199,369.64
Step by Step Solution
- Step 1: Write the proportion equation
1,557,445.41 : 2,149,270.63 = 869,110.07 : x - Step 2: Convert to fraction form
1,557,445.41/2,149,270.63 = 869,110.07/x - Step 3: Cross multiply
1,557,445.41x = 2,149,270.63 × 869,110.07 - Step 4: Simplify right side
1,557,445.41x = 1,867,952,734,769.12 - Step 5: Solve for x
x = 1,867,952,734,769.12/1,557,445.41 - Step 6: Final answer
x = 1,199,369.64
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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.