Finding the Fourth Proportional to 1,557,460.44, 2,149,291.32 and 869,124.96
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Solution
The fourth proportional to 1,557,460.44, 2,149,291.32 and 869,124.96 is: 1,199,390.16
Step by Step Solution
- Step 1: Write the proportion equation
1,557,460.44 : 2,149,291.32 = 869,124.96 : x - Step 2: Convert to fraction form
1,557,460.44/2,149,291.32 = 869,124.96/x - Step 3: Cross multiply
1,557,460.44x = 2,149,291.32 × 869,124.96 - Step 4: Simplify right side
1,557,460.44x = 1,868,002,732,523.35 - Step 5: Solve for x
x = 1,868,002,732,523.35/1,557,460.44 - Step 6: Final answer
x = 1,199,390.16
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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.