Finding the Fourth Proportional to 1,804,231.26, 2,488,894.39 and 1,115,683.47
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Solution
The fourth proportional to 1,804,231.26, 2,488,894.39 and 1,115,683.47 is: 1,539,058.98
Step by Step Solution
- Step 1: Write the proportion equation
1,804,231.26 : 2,488,894.39 = 1,115,683.47 : x - Step 2: Convert to fraction form
1,804,231.26/2,488,894.39 = 1,115,683.47/x - Step 3: Cross multiply
1,804,231.26x = 2,488,894.39 × 1,115,683.47 - Step 4: Simplify right side
1,804,231.26x = 2,776,818,330,893.34 - Step 5: Solve for x
x = 2,776,818,330,893.34/1,804,231.26 - Step 6: Final answer
x = 1,539,058.98
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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.